They’re setting the timeline right after World War Two. The idea is that Japan’s rebuilding after the war is what eventually led to the modern Japanese car industry.
Toyota is referenced as being directly affected by postwar restrictions, with managers reporting delays for replacement parts. For listeners, this highlights how supply-chain and regulation constraints can impact vehicle production and maintenance.
Lubricants are the oils/greases that keep moving parts from grinding. If they’re treated as “non-essential,” it can make it harder to keep cars and machines running.
He took small engines that were meant for military equipment and repurposed them. It was a way to build something that could move when supplies were limited.
Post-war Japan is the time right after World War II. The point is that when everything was damaged and rebuilding, people needed any workable way to travel.
Honda is highlighted as one of the first Japanese companies to ramp up production of small vehicles after the war. The speaker frames Honda’s early output as proof that innovation could restart an economy even with limited resources.
Mitsubishi is a big Japanese company. The transcript says that after the war, it shifted from making aircraft to helping build scooters so people could get around.
An austerity program means the government tries to tighten spending to get the economy under control. In the story, it’s connected to cutting subsidies and managing inflation.
Small diesel trucks are compact commercial vehicles powered by diesel engines, well-suited for hauling supplies. In the transcript, they’re specifically tied to “supply convoys,” emphasizing logistics and durability over passenger comfort.
Wasted motion is a lean manufacturing concept: any unnecessary movement that doesn’t add value to the product. The example of moving a tool tray 6 inches illustrates how small layout changes can reduce effort and improve throughput.
Horsepower is how much power the engine can make. Here, they’re pointing out that the Skyline’s engine wasn’t very strong, but it was still fast enough for its era.
A rotary engine is a different kind of engine than the usual piston type. It can be smooth and compact, but it was also considered a gamble because it didn’t have a proven track record for everyone.
Nissan is a big Japanese car company. Here, the point is that Nissan chose a safer plan: learn and build skills first instead of taking a big gamble right away.
At that time, Honda mainly made scooters, not cars. So they were arguing for a chance to enter the car business.
Car
Honda S360
The Honda S360 was one of Honda’s early small sports cars. It was designed to be light and fun, and the story connects it to Honda’s motorcycle know-how. It’s an early example of how Japanese companies started making cars with a sporty mindset.
A dual overhead cam engine uses two camshafts to control the engine’s valves. That can help the engine breathe better and perform more strongly. The episode is pointing out that even these small early vehicles had advanced engineering.
The Skyline GT-R is a famous Japanese performance car from Nissan. The episode isn’t covering it yet, but it’s basically a “big deal” in Japanese car history. Think of it as one of the cars people associate with the peak of JDM culture.
LIVE
By late summer of 1945, Tokyo was gone.
So was Osaka, Nagoya, Yokohama, and Hiroshima.
Tokyo had once been the largest industrial city in all of Asia.
But like other Japanese cities, its factories now stood as skeletons of steel and ash.
At night, the only sign that anything ever existed on these charred plots of land was
the soft glow of makeshift fires created by the displaced citizens who occupy the streets.
For a country built on precision and craft, the silence of these factories following its
defeat in World War II was unbearable.
The war took everything and left behind nothing but hunger.
Literally and spiritually.
In the years that followed, millions of veterans returned home to cities that no longer existed.
They were forced to sleep under bridges and railway overpasses, sell trinkets, beg for food.
Even rice, Japan's nearly sacred staple, would become a form of street currency.
What you're hearing is the four minute radio address recorded by Japanese Emperor Hirohito
announcing Japan's surrender to Allied forces.
This speech was a big deal, and not just for the obvious reasons that it signaled the end
of World War II.
Hirohito's speech was the first time the Japanese public had ever heard the Emperor's
voice.
Emperor's were considered living gods.
Hirohito was considered a divine figure.
The idea of him speaking directly to ordinary citizens at all was shocking.
The speech was also delivered in an archaic, formal version of Japanese, and the recording
quality was so poor that many listeners couldn't understand what was being said.
So from the perspective of an average Japanese person, the voice of God came on the radio
and says,
It was overwhelming to say the least.
This and other factors is what led to an eventual loss of national identity.
Oh my God, we are back.
It is past gas.
What is up everybody?
My name is Nolan Sykes.
Thank you so much for joining us in this new season of past gas season two.
You know, this first 319 episodes, they were a great proof of concept guys this season.
We are going deep on the golden age of the Japanese auto industry.
The golden era of JDM did not just start with the Mark IV Supra and the FDRX7.
Those didn't come out of thin air.
So that's what we're talking about in this episode.
We are laying the stage for this entire industry.
We're starting the end of World War Two.
How do they rebuild their country?
How do they build their industry back up?
That's what we're getting into today.
Guys, I'm so excited to be back on the air with past gas.
This means a lot to us.
We've been spending a lot of time working on this and it's finally time for you to hear
it and I can't wait.
So without further ado, it's past gas baby.
Let's go.
Before the war, Japan was proudly imperial with a shared belief in its sacred national
destiny.
But that mythology collapsed virtually overnight and it left Japan behind, standing still
for the first time in modern memory.
And to make matters worse, there is a new guy in charge.
After the Emperor surrendered, General Douglas MacArthur was put in charge of the Allied
Occupation of Japan.
He set up an office right across the street from the Imperial Palace in Tokyo called General
Headquarters or GHQ.
MacArthur's job was to redesign Japan from the ground up so it could not become a threat.
Write new laws, censor old ones, and most importantly re-engineer Japan's economy to
ensure it can never fuel a war again.
Factories were allowed to reopen, but only under close supervision.
Every shipment of steel, every allocation of fuel, every machine tool had to be approved,
stamped, and signed by US officials.
Approvals from MacArthur's office could take months.
So you can imagine how frustrating this was for the Japanese workers hoping to get to
work and rebuild their country back to what it was before the war.
At Toyota, managers reported long delays for replacement parts.
Datsun's requests for raw steel would come back with notes saying deferred, a bureaucratic
way of saying, hey, slow your roll, bro.
Lubricants, bearings, and machine oil were all classified as non-essential for civilian
output.
Anything that wasn't cleared by MacArthur's team at GHQ would be seized and destroyed.
The United States called this process a supervised industrial piece.
In other words, Japan was allowed to rebuild itself as long as it played by America's
rules.
To the people of Japan, it felt impossible as if every step of progress had to be fought
for by petition.
Meanwhile, across the Pacific, American factories were pocketing their wartime wealth and shifting
seamlessly back into personal vehicle production.
Owning an automobile in post-war America became a symbol of status and freedom, two things
that Japan no longer had.
As the US auto industry produced a record-breaking number of cars, the American government was
limiting annual production output in Japan to just 1,000 trucks and 350 passenger cars
total, just enough to keep the postal routes and police fleets stocked.
During these first few years of occupation, over 3 million Japanese industrial workers
were out of work.
Skilled toolmakers and machinists were forced into menial labor.
Newspapers dubbed the period Kojo no Chimoku, or the silence of the factories, a phrase
that sadly captured what the country had become, a nation of craftsmen with nothing to build.
But waiting around has never been in Japan's nature.
The more GHQ inspectors showed up unannounced, clipboards in hand, cross-checking inventories
against permit lists, the more a quiet counter-movement took shape in back alleys and makeshift sheds
across the country.
You couldn't build in the open, so people built in the dark.
In Hamamatsu, a restless inventor named Soichiro Honda had been collecting generator engines
that once powered military radios.
With fuel, scarce, and money even more so, Honda had to get creative.
He distilled fuel from pine resin and raised extra funds by pawning his wife's kimono.
From those materials, he assembled what he called the Type A, a motorized bicycle prototype
that could reach about 25 miles per hour and travel more than 100 miles on a single gallon
of fuel.
It was not an elegant machine.
It was noisy, unstable, and had a habit of breaking down at the worst possible moment.
But it was proof of innovation, and in post-war Japan, that was enough.
By 1947, Honda and a small staff were producing several hundred units a month out of a rented
factory space, selling them to workers desperate for a means of getting through cities still
rebuilding from the war.
From practically nothing, Soichiro Honda had already built something real.
And he wasn't the only one.
All across the country, the skills of the empire were being recycled into mobility.
Selling machine mechanics, aircraft engineers, survivors, and tinkerers of every kind, quietly
discovering what was possible when you had nothing left to lose.
And none of it came easy.
In 1946, the frustration of Japanese workers boiled over.
A contingent of companies and entrepreneurs, many of them former aircraft manufacturers
who now had nothing to build, marched to the Imperial Palace in Tokyo to make their case
directly to GHQ.
The argument was simple.
People needed to get around.
And what's crazy is, GHQ listened.
A ban on scooters was lifted, and the former Nakajima and Mitsubishi aircraft companies
were among the first granted permission to produce them.
The same engineers who'd built warplanes were now focused on getting Japan moving again.
Osamu Suzuki's family workshop had survived the postwar years by repairing looms and sewing
machines.
In 1952, after seeing the growing demand for inexpensive personal transportation, the company
started adapting their small sewing machine motors for use in bicycles.
The result was the Power Free, a 36cc motorized bicycle with a simple dual-sprocket system
that let riders pedal, use the engine, or do both.
It was practical, affordable, and could be serviced with basic hand tools.
The success of the Power Free led Suzuki to establish the Suzuki Motor Corporation the
following year.
Further north, amongst the ruins of the Nakajima aircraft company, a different kind of
transformation was underway.
Nakajima had been one of Japan's leading aircraft producers, employing thousands of
engineers skilled in aerodynamics and lightweight design.
When GHQ ordered the company to be dismantled, many of those same engineers reorganized as
Fuji Heavy Industries and started building scooters using leftover aircraft manufacturing
tools and surplus airplane tires.
A few years later, they would build their first car, the Subaru 1500.
Going into the late 1950s, GHQ began to loosen its grip.
Joseph Dodge, chairman of the Detroit Bank, arrived in Tokyo as a financial advisor to
GHQ, and within months he'd reshaped the entire economic landscape.
His policy became known as the Dodge Line.
It was basically an austerity program.
Dodge cut subsidies and fixed the exchange rate at 360 yen to the dollar to control inflation,
but he also stripped away many of Douglas MacArthur's rules that have been choking
Japan's economy since the surrender.
As a part of that broader deregulation, GHQ issued a memo comprehensively removing restrictions
on vehicle production and sales.
Assembly lines were officially back in business.
There's just one problem.
The same austerity measures that freed the auto industry simultaneously crashed the economy.
The Dodge Line fixed inflation, but only because no one had any money.
Dealerships were turning away car deliveries, and Toyota's unsold inventory piled up, and
by the mid-1950s the company was near bankruptcy.
For the people living it, this crash was a crisis, and yet to the Americans watching
at GHQ it looked like something else entirely, because in spite of the economic beatdown,
in spite of everything, workers were still showing up, engineers were still innovating,
Japanese industry was battered, but it hadn't quit.
American officers at GHQ watched all of this very closely.
The occupation's original goal had been to defang Japan permanently, but the country
that was emerging from this period didn't look defanged, it looked capable, and America
was about to need a very capable partner in Asia.
We'll be right back after these messages.
Now back to the show.
June 25, 1950, when the Korean Peninsula became a battleground, Japan became a supply depot.
Trucks, tires, radios, boots, engines, if it could be used in combat, the American military wanted it.
This became an opportunity for the Japanese automotive industry even if they didn't have much of a choice.
Toyota, which just months earlier had been teetering on the edge of bankruptcy, was now contractually obligated to repair and assemble trucks for US forces.
Datsun, which would later become Nissan, was tasked with producing transport vehicles and spare parts.
The manufacturing of engines for jeeps and generators went to Mitsubishi, and Disuzu began production on small diesel trucks for supply convoys.
Orders poured in over the next several years.
During this period, US military procurements accounted for nearly half of Japan's export income.
This cash infusion did with the dodge line, couldn't.
It restarted Japan's industrial machine and gave a new generation of engineers the footing they needed.
Back in Hamamatsu, Soichi Rohanda made use of increased access to materials and the newly stable fuel supply to design a stronger, lighter engine.
One that he'd go on to call the dream D type.
It was efficient, reliable, and unlike most foreign imports, it could be built entirely from domestic parts.
In Hiroshima, a city that had been completely leveled less than a decade earlier, a young engineer named Kenichi Yamamoto had just joined a regional automaker called Toyo Kogyo, which would later become known as Mazda.
He was entry level, working on small passenger cars for a company just beginning to modernize. His time would come.
But for now, the most important decisions being made in Japan's auto industry were happening at Toyota.
President Aiji Toyoda was determined not to let the current moment go to waste.
Aware of the access Japan now had to American production methods, Toyoda set out to see things for himself.
He toured Ford's River Rouge plant in Detroit, anticipating a glimpse of the future of manufacturing.
He came away surprised, but not necessarily impressed.
He saw warehouses cramped with miscellaneous parts, idle workers waiting on delayed shipments, and assembly lines that never stopped despite mistakes piling up.
Toyoda thought that he could do better. He returned to Japan and shared everything he'd observed with production supervisor Taihichi Ono.
Together, they set out to build their own system, one better suited to Japan's resources and scale.
On the floors of Japan's factories, a new philosophy began to take shape, Kaizen.
It translates to change for the better, but it's not some kind of ancient wisdom rooted in samurai tradition or Zen temples.
It was actually influenced by Americans.
GHQ had previously introduced Japan to a workplace training program called Training Within Industry,
which was initially developed during World War II to rapidly improve American war production.
The core idea was simple. Instead of waiting for a big breakthrough, make small improvements every day and never stop.
Japanese manufacturers absorbed it, refined it, and turned it into a whole culture.
At Toyoda, Taihichi Ono took these principles further than anyone.
Workers began gathering for short improvement meetings on the factory floor.
A machinist might recommend moving a tool tray 6 inches to eliminate one wasted motion.
An assembler might suggest a better way to check tolerances, small changes, tiny refinements,
but multiplied across thousands of workers day after day, they produced something incredible.
Western companies were used to celebrating disruptive innovation, major breakthroughs that changed everything,
but the Japanese approach was the opposite.
Close gaps one millimeter at a time. Supervisors became mentors, factories became classrooms.
Every worker, whatever their rank, was an active participant.
Once again, Japan's factories were fully awake.
Dozens of companies were running at capacity, churning out engines, chassis, components.
But zoom out, and the picture looked more complicated.
By the mid-1950s, Japan had more auto manufacturers than it could support.
Dozens of small, underfunded firms were chasing the same steel, the same engineers, the same customers.
Each one was surviving, but none of them were strong enough to compete globally.
The Japanese government worried that eventually foreign cars would arrive on their shores,
and the fragmented domestic auto industry would get eaten alive.
Enter the Ministry of International Trade and Industry, a.k.a. MIDI.
Now, you're going to hear this organization mentioned a lot throughout this series,
as both a positive and negative force driving or inhibiting Japan's growth, so pay attention.
MIDI had initially been established in 1949 to coordinate Japan's trade and industrial policy.
Now, looking at a field of underfunded car companies all chasing the same limited resources,
MIDI's architects decided someone had to impose order.
Export licenses were issued, technology transfers were managed,
and as MIDI combed through the nation's industries looking for its standard bearer,
the sector that would define Japan's place in the global economy at large, one kept rising to the top, the automobile.
What followed was a series of reports, directives, and closed-door meetings
that made their way down from MIDI's offices to the desks of every major company president in Japan.
The message was essentially the same for all of them.
There were too many firms and too little capital.
If Japan was going to compete globally in the 1960s, changes would have to come fast.
In less diplomatic terms, it was survival of the fittest.
All of this was framed as part of a larger blueprint for national success
centered on what MIDI had begun calling the People's Car Plan.
The goal was to build a car any Japanese family could afford.
Needed four seats, a top speed of 100 kilometers per hour, that's 62 miles per hour,
and priced under 150,000 yen, or around 6,000 American dollars today.
Every automaker was invited to compete, but paired with the pressure to consolidate,
many found themselves struggling right out of the gate.
And as usual, it was the smaller companies that felt the pressure first.
In Tokyo, OTA Motors held out for as long as they could.
Founded in 1922 and producing cars since 1934, they kept churning out small sedans,
hoping the People's Car Plan would be their salvation.
Spoiler, it wasn't.
That's the first time I've ever heard that name.
At Prince Motors, designers and engineers were feeling more optimistic.
After a string of early sedans, the company took a swing at something bigger.
In April 1957, they unveiled the Skyline, a model dripping in American influence.
Small rear tail fins, chrome moldings running the length of the body,
a wrap-around rear window, two-tone paint, and Buick-style side trim.
Under the hood was a 1.5-liter four-cylinder, making just 60 horsepower.
Fast enough to hit 78 miles per hour, making it one of the quickest domestic cars in Japan at the time.
Meanwhile, at Fuji Heavy Industries, the former aircraft engineers from Nakajima
tried to build the smallest, cheapest, most practical car imaginable.
Under the direction of company CEO Kenji Kita, they introduced the Subaru 360 in March 1958.
Now, this little guy weighed under 1,000 pounds and had a fiberglass roof.
It ran on a two-stroke, air-cooled 356cc twin engine in the rear, making all of 16 horsepower.
And you had to pre-mix the oil and gas yourself using the fuel cap as a measuring cup.
Toyota's entry was called the Crown.
It wasn't as tiny or radical as the Subaru 360, and it wasn't dressed up like the Skyline.
Instead, it was solid, conservative, and built with durability in mind.
Under the hood was a 1.5-liter four-cylinder, making around 60 horsepower.
It rode on a sturdy ladder frame with coil spring front suspension, which was pretty advanced for Japan at the time.
As the Japanese government quietly encouraged mergers, Mitsubishi Motors and Toyo Kogyo were among those determined to stand on their own.
Both were smaller players who understood they would have to outthink the competition.
For Toyo Kogyo, that pressure landed on the shoulders of Kenichi Yamamoto.
The former assembly line worker was now in charge of a research team,
and he was told to find something different that would make the company impossible to ignore.
Around this time, his team began studying an unusual engine designed by German engineer Felix Wenkel
that most larger automakers had already dismissed as impractical, the rotary engine.
It was small, it was smooth, and it was also risky.
For a company fighting for survival, that kind of gamble almost made sense.
Nissan was another company that looked to the outside for inspiration.
Rather than gamble on the people's car competition, Nissan had decided early on that it wasn't worth the risk.
Instead, they chose to build technical capacity through a partnership with British automaker, Austin, beginning as early as 1952.
Through their licensing deal, Nissan assembled and sold Austin A40 summer sets and A50 Cambridges domestically,
absorbing modern production and engineering techniques along the way.
That period of investment led to the Dotson 110 in 1955 and the Dotson 210 in 1957.
Both cars were priced a bit too high to qualify as MIDI's people's car,
but Nissan wasn't really concerned with that particular contest.
They already had their sights set on the global market.
Nissan opened its first overseas Dotson dealership in San Diego, California in 1958.
It was a small foothold, but it mattered.
Nissan and Toyota were among the first Japanese automakers to seriously test the waters on the American West Coast.
At the time, their cars were modest and unfamiliar, but the groundwork was being laid.
Relationships were forming, dealers were learning, and engineers were gathering feedback from foreign roads and foreign drivers.
Those early export efforts were not accidental.
During this post-war period, both Toyota and Nissan had been quietly favored by MIDI.
They received priority access to steel during shortages and were granted foreign exchange allotments to license Western technology.
The government saw them as the most capable candidates to represent Japan abroad, and that support strengthened them at a critical moment.
Not everyone appreciated that arrangement.
In 1952, Soichiro Honda publicly criticized restrictions on foreign car imports.
He said, quote,
Honda wanted a fair playing field.
His frustration grew in the early 1960s, when MIDI drafted what became known as the Special Industry Promotion Bill,
which would have limited automobile production to a small number of approved manufacturers, and Honda wasn't on the list.
By his own account, Honda went directly to MIDI's offices and confronted Under Secretary Shigeru Sahashi.
He objected to the idea that the government could decide who was allowed to build cars and who was not.
Honda argued that his company had the right to compete and that innovation could not be planned from a desk in Tokyo,
even though at that moment, Honda had not yet built a single car.
That's right, Honda was still a scooter company.
While established automakers struggled to stay afloat, Soichiro Honda was out there fighting for his right just to play ball.
Before the bill could move forward, Honda acted.
Engineers developed prototypes for the Honda S360, a tiny open-top roadster derived from motorcycle design,
the S500, a slightly larger production-ready sports car, and the T360, a compact pickup built the Japan's K-car regulations,
but fitted with a sophisticated dual overhead cam engine, and that Special Industry Promotion Bill, it ultimately failed.
Political resistance and industry opposition stopped it before it could reshape the field, and then the 1960s arrived.
What followed was far greater than simple industrial growth.
By the end of the decade, Japan's emerging industry would become an entire culture under itself.
Japanese cars would go beyond basic transportation. They would become faster, more stylish, and more uniquely Japanese.
Some of the companies that began the race in the 1950s would transform into global names. Others would not survive the decade.
In the next episode of Pass Gas, we dive into the speed, style, and spectacle of the 1960s as Japanese cars leave the local back roads and take the world by storm.
Wow, what a story. What a great first chapter to this new season here on Pass Gas.
Guys, I want to thank you so much for listening. We've been working on this series for six months.
We've been doing some super deep research on this story. We have some really great riders on board, Anthony Hardin, Greg Nix, and tons of research.
Thank you, everyone, who has contributed to this.
We have 11 more episodes for you guys. So yeah, for the next three months here, this is what we're doing.
We're diving deep into the golden age of the Japanese auto industry. This is just a little preamble here.
We're not getting right to the Skyline GT-R. We're not getting right to the Midnight Club.
We're not talking about the Acura NSX just yet. There's a lot of stuff to cover to even put that stuff into proper context.
But that's exactly what we're talking about. Everything that we love about Japanese car culture, we're going to touch on some way in this series.
And guys, if you think this episode is short, we have another episode for you tomorrow.
So just think of this episode as a little teaser for what's to come. So hit that subscribe button, whatever podcast platform you're listening to.
Follow Donut Podcasts on Instagram at Donut Podcasts. Follow me at Nolan J. Sykes. It's Pass Gas. We're back. We'll see you in the next episode. Bye.
About this episode
Rebuilding Japan after WWII set the stage for the “golden era” of JDM, and the story starts with devastation, occupation control, and scarce resources. GHQ tightly supervised industry, but Japanese engineers and entrepreneurs kept innovating in the shadows—Honda’s early motorized bicycle, Suzuki’s Power Free, and scooter makers from former aircraft firms. As the Dodge Line loosened rules and the Korean War boosted demand, Toyota’s production philosophy (kaizen) and MIDI’s People’s Car Plan pushed consolidation and competition. The episode tees up how the 1960s turned cars into culture, with Honda fighting import and production restrictions.
In this season of Past Gas, we're exploring the origins of Japan's Golden Era of Cars. How did Japan bounce back from the devastation of WWII? What made their economy so strong? And when did their sports cars become the icons we know today? All will be explained in this 12 part series, stay tuned!
