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News: Solid States, Bad News, and Kill Switches

News: Solid States, Bad News, and Kill Switches

Overcrest Feb 04, 2026 75 min
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About this episode

The discussion dives into the future of electric vehicles, focusing on the potential of solid state batteries. With winter's impact on EV performance, the hosts explore the advantages of solid state technology, such as faster charging and better efficiency. They welcome Dr. Eric Walksman, a leading researcher in the field, who shares insights on the challenges of scaling production and the evolution of battery technology. The conversation also touches on the nostalgic aspects of car culture and the shift from traditional combustion engines to electric vehicles.

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Technical Too Afraid to Ask
Term

charging stations

"The charging stations. There was the charging stations. They're all lined up there and then there's a snake of Tesla's lined up around the corner"

Charging stations are places where electric cars can get power to run. Just like gas stations for regular cars, these stations help electric cars recharge their batteries.

Term

EV

"...and I don't even know where the other EV people go. I mean, they go somewhere."

EV means electric vehicle, which is a car that runs on electricity instead of gas. They are better for the environment and can save money on fuel.

Term

ChargePoint

"They probably go to like a charge point station"

ChargePoint is a company that has many places where electric cars can charge their batteries. They help make it easier for people to find power for their electric cars.

Car

Dodge Charger

"...t cold? So they just have to be hooked up to the charger. Okay."

The Dodge Charger is a big car that looks sporty and can go really fast. People like it because it has a lot of power and is fun to drive, even though it's also a four-door car that can fit the whole family.

Term

solid state batteries

"As a result, everybody wants solid state batteries because they're fine in the cold. They charge up in five minutes."

Solid state batteries are a newer kind of battery that use solid materials instead of liquids. They can charge faster and work better in cold weather compared to regular batteries.

Term

solid state battery

"If we could just get to solid state batteries. I'll admit, I don't even really understand."

A solid state battery is a new kind of battery that uses solid materials instead of liquids. This makes them safer and potentially better for powering electric vehicles.

Term

energy density

"...energy density of 400 watt hours per kilogram. It's great. It's normal. Current lithium ion runs are around 200 to 300."

Energy density is how much energy a battery can hold compared to its size or weight. A higher energy density means the battery can power a vehicle longer without being too heavy.

Term

lithium-ion battery

"...Current lithium ion runs are around 200 to 300. Okay. Full charge, five minutes."

Lithium-ion batteries are the kind of batteries you find in many electric cars and smartphones. They are good at storing energy but can take a while to charge and wear out over time.

Car

Ford F150

"My grandpa's F-150 had that. It's like the saddle tank, right?"

The Ford F-150 is a big truck that many people use for work or hauling things. It's known for being tough and can be customized in many ways.

Company

Verge Motorcycles

"...the first vehicle using the technology from Donut Labs is Verge Motorcycles. And it says it's TS Pro will be the first production vehicle..."

Verge Motorcycles makes electric bikes that are different from regular motorcycles. They use new technology to make their bikes faster and more efficient.

Car

Dodge Magnum

"...k in high school had my 68 Dodge Charger, the 440 Magnum. There we go."

The Dodge Magnum is a big car that looks like a wagon but can go really fast, kind of like a muscle car. It's good for people who need space for family or stuff but still want something exciting to drive.

Term

440 Magnum

"So going back in high school had my 68 Dodge Charger, the 440 Magnum."

The 440 Magnum is a powerful engine that was used in some classic cars, making them very fast and strong. It's known for giving cars a lot of horsepower.

Car

Datsun 240Z

"And so I went from there to a last year, the Datsun 240Z, which I put your triple Weber's on and a header and lower Tony shocks."

The Datsun 240Z is a well-known sports car from the 1970s. It's loved for being fun to drive and has a classic design.

Car

BMW M3

"And then from there to BMW M3 convertible, which actually I didn't do anything with that."

The BMW M3 Convertible is a sporty car that you can drive with the top down. It's known for being fast and fun to drive.

Car

Tesla Model

"Yeah. And then my first Tesla model as performance. But now I'm finally, I think I'v..."

The Tesla Model Y is a type of car that runs on electricity instead of gas, which is better for the environment. It's like a small SUV, which means it has more space inside for people and stuff, and it comes with cool tech features that help you drive.

Car

Tesla Model S Performance

"And then my first Tesla model as performance."

The Tesla Model S Performance is a fast electric car that can go from 0 to 60 mph very quickly. It's known for its high-tech features and being environmentally friendly.

Car

Porsche Taycan

"I've got my Porsche take in, which is all electric. That thing handles like a dream as a Porsche does, accelerates like crazy."

The Porsche Taycan is a high-performance electric car that offers a smooth and fast driving experience. It's designed to be both luxurious and efficient, making it a popular choice among electric vehicles.

Term

electric vehicle

"I've got my Porsche take in, which is all electric. That thing handles like a dream as a Porsche does, accelerates like crazy."

An electric vehicle is a type of car that runs on electricity instead of gasoline. This means it can be better for the environment and can save money on fuel.

Part

side-draft carburetor

"I guess the question that popped up in my mind is, what's harder getting a side-draft DCUE carburetor to run right or developing a solid state battery? Because I mean, I've got books here, right here. I've read this book probably about 50 times. I'm still trying to figure out how to master the side-draft carburetor."

A side-draft carburetor is a part of the engine that mixes air and fuel for combustion. It's called 'side-draft' because it pulls air in from the side, which can make it trickier to adjust than other types.

Concept

fuel injection

"That was sort of that transition going from the carbureted cars to the fuel injection to all electric."

Fuel injection is a way to get fuel into an engine. Instead of using a carburetor, it sprays fuel directly into the engine, which helps it run better and use less fuel.

Term

engine

"But getting under the hood, you can't get under the hood because there's no engine. It does make me sad because an engine is a beautiful thing."

An engine is what makes a car move. It burns fuel to create power that turns the wheels and makes the car go.

Term

lithium-ion batteries

"...three times the energy density of your conventional lithium-ion batteries. We have to scale the manufacturing."

Lithium-ion batteries are the type of batteries you find in many devices like smartphones and electric cars. They are popular because they can hold a lot of energy and recharge quickly.

Term

100 kilowatt hour battery

"...for one 100 kilowatt hour battery that goes into Tesla, I can make thousands and thousands of batteries that will go in this product."

A 100 kilowatt hour battery is a big battery used in electric cars. It tells you how much energy the battery can hold, which helps determine how far the car can go on a single charge.

Car

Peugeot iOn

"...e, your negative and positive electrode. And the ions, in this case lithium, go back and forth between ..."

The Peugeot iOn is a tiny car that runs on electricity, which means it doesn't pollute the air. It's perfect for driving around the city because it's small and easy to park.

Term

fuel efficiency

"...We'll collect $31 billion less in fuel excise tax revenue due to increased fuel efficiency..."

Fuel efficiency is a measure of how far a car can go on a certain amount of fuel. Cars that are more fuel-efficient use less gas to travel the same distance, which saves money and is better for the environment.

Term

EVs

"...in the proliferation of Z EVs over the next decade. That's a $31 billion hole in road funding."

EVs stands for electric vehicles, which are cars that run on electricity instead of gas. They are often seen as better for the environment because they produce fewer emissions.

Car

Volkswagen Golf

"...but they're certainly not going to do it on your 95 Golf K3 that you inherited from your grandma."

The Volkswagen Golf is a small car that many people like because it's easy to drive and has a lot of space inside. The 1995 version is from an earlier generation, which many fans still enjoy today.

Term

OBD2

"So that's going to be OBD2 and newer. I would think like 98, 99 and newer."

OBD2 is a system in cars that helps mechanics and devices talk to the car's computer. It gives important information about how the car is running and can help find problems.

Term

kill switch mandate

"They are going to... We're going to get into the kill switch mandate. I know we're getting into the kill switch."

A kill switch is a feature that can turn off a car remotely. If a car doesn't meet certain rules, it can be locked out and won't start until the issue is resolved.

Term

register a vehicle

"...but then I'm not going to register it and I'm just going to drive it around on my property."

Registering a vehicle means telling the government that you own it, so they can give you license plates and keep track of it. It's usually required to drive on public roads.

Part

Haka Polita

"...the actual inventor of the winter tire itself with their Haka Polita line. They also have the Surpass AS01, their newest model of tire..."

Haka Polita is a type of winter tire made by Nokian that helps cars drive safely on snow and ice.

Part

Surpass AS01

"...They also have the Surpass AS01, their newest model of tire, which is a high performance all season tire specifically for drivers..."

Surpass AS01 is a type of tire made by Nokian that works well in different weather conditions, helping cars perform better without getting stuck.

Car

BMW IX3

"The new round L debuted on the new 2027 IX3, which I do, I don't even know what that is."

The BMW IX3 is an electric version of BMW's popular SUV. It's designed to be eco-friendly while still offering the luxury and performance that BMW is known for.

Concept

roundel

"The roundel dates back to the early 1920s, when two aircraft companies merged. The blue and white come from the Bavarian flag, not a spinning propeller, despite that old advertisement suggested it."

The roundel is the circular logo of BMW. It has blue and white sections and represents the region in Germany where BMW was founded.

Term

M badge

"The M badge is also being updated, though BMW says that change will be just as subtle."

The M badge is a special logo used by BMW to show that a car is a high-performance version. These cars are designed to be faster and more fun to drive than regular BMWs.

Car

Mazda Miata

"Yes. The Mazda Miata now starts above 30 grand for the first time and..."

Mazda is a car company that makes cars that are fun to drive and look nice. One of their popular cars is the Miata, which is a small, sporty car that many people enjoy because it's easy to handle.

Car

Chevrolet Corvette

"... $13,800, less than half the price of that year's Corvette, which was $32,000."

The Chevrolet Corvette is a fast and stylish sports car that many people dream of owning. It's special because it offers a lot of power and good looks without being as expensive as some other super fancy cars.

Car

Toyota Gr86

"...mains the cheapest sports car on the market. The GR86 starts at blah, blah, who cares? All right."

The Toyota GR 86 is a small, sporty car that is made for people who love to drive. It's not too expensive and is known for being really fun to handle on the road.

Car

Mazda Rx7

"You don't buy a Miata. The old RX7 had had some. Mazda."

The Mazda RX-7 is a special sports car that uses a different kind of engine called a rotary engine, which makes it lightweight and fast. Many car fans love it because it's fun to drive and has a unique design.

Car

Cadillac CT5

"... the one that surprises me, the Cadillac CT4 and CT5 blackling. Those are surprising."

The Cadillac CT5 is a fancy car that is comfortable and has a lot of high-tech features. It's made for people who want a nice ride with a bit of luxury.

Car

Cadillac CT4

"...give you the one that surprises me, the Cadillac CT4 and CT5 blackling. Those are surprising."

The Cadillac CT4 is a smaller luxury car that is stylish and has nice features. It's made for people who want a fancy car that is also fun to drive.

Car

Hyundai Elantra

"I would even know what's on there. Hyundai Elantra N manual. Honda Civic Type R manual."

The Hyundai Elantra is a small car that is good for everyday driving because it's affordable and reliable. It's a great option for anyone looking for a car that won't break the bank.

Car

Honda Civic

"Hyundai Elantra N manual. Honda Civic Type R manual. Civic SI manual."

The Honda Civic is a small car that many people use for everyday driving because it's reliable and saves gas. It's a good choice for anyone looking for a car that works well without costing a lot to maintain.

Car

Ford Mustang GTD

"Civic SI manual. Mustang GT manual. Nissan Z manual."

The Ford Mustang GTD is a super fast version of the classic Mustang car, built for people who want to race and have fun on the track. It has special features that make it even more exciting to drive.

Car

Nissan Z

"Mustang GT manual. Nissan Z manual. Boxer, WRX, GR86, Corolla Supra manual."

The Nissan Z is a new version of a classic sports car that many people love for its speed and good looks. It's designed for drivers who want a fun and exciting experience on the road.

Car

Toyota Supra

"Nissan Z manual. Boxer, WRX, GR86, Corolla Supra manual. Wow."

The Toyota Supra is a fast and cool-looking sports car that people love for its speed and design. It's famous for being fun to drive and has a lot of fans because of its exciting history.

Car

BMW M2

"Wow. M3, M2, you can get the hand-shalter package in the ZFAR..."

The BMW M2 is a fast and sporty car made by BMW that is fun to drive. It's designed to be exciting on the road while still being practical enough for daily use.

Car

BMW Z4

"Where are we? The BMW Z4. Okay."

The BMW Z4 is a fancy convertible sports car that you can drive with the top down. It's stylish and fun to drive, making it a great choice for those who want a mix of luxury and excitement.

24 cars featured

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