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Tesla Optimus fail, Rivian AI/Autonomy day, Mercedes GLB EV, and more

Tesla Optimus fail, Rivian AI/Autonomy day, Mercedes GLB EV, and more

Electrek Dec 12, 2025 59 min
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About this episode

The latest episode dives into Tesla's recent challenges with the Optimus robot, which failed during a demonstration, raising questions about its autonomy claims. The hosts discuss Tesla's declining U.S. sales amid the end of tax credits, and Elon Musk's updated timeline for RoboTaxi services. Rivian's recent AI and autonomy day is highlighted, showcasing their commitment to integrating LiDAR technology in future models, contrasting Tesla's vision-only approach. The episode also covers new electric vehicle announcements, including Subaru's Uncharted SUV and the Mercedes GLB EV, along with insights on global EV sales and Ford's split with SK on battery production.

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Technical Too Afraid to Ask
Car

Subaru Uncharted

"...we have for the Subaru uncharted, we have the final pricing and specs in the US..."

The Subaru Uncharted is a new car model from Subaru that has just been announced, and it comes with specific details about its price and features in the United States.

Car

Mercedes-Benz GLB

"...ing and specs in the US. We have the new Mercedes GLB that was available fully also this week. Then we..."

The Mercedes-Benz GLB is a fancy SUV that has a lot of space inside and nice features. It's made for people who want a comfortable and stylish ride, and it's popular among families. People talk about it because it's a good mix of luxury and practicality.

Term

FSD

"Uber drivers using Tesla vehicles on Tesla's network with FSD as the main driving capability..."

FSD means Full Self-Driving, which is a feature in Tesla cars that allows them to drive themselves, but a person still needs to watch over it.

Term

level four autonomy

"...other automakers especially Waymo, other autonomous driving services like Waymo have achieved level four already..."

Level four autonomy means that a car can drive itself without any help from a person, but only in certain situations or areas.

Term

crash rate

"...the current crash rate even with the supervisor is much higher than humans..."

Crash rate is how often accidents happen with cars. It's important to know how safe a car is, especially with self-driving technology.

Term

NHTSA

"...because of the NHTSA reporting obligation for autonomous driving, the crash rate is around 60, once every 60,000 miles..."

NHTSA is a government agency that makes sure cars are safe to drive. They look at accidents and help create rules to keep everyone safe on the roads.

Term

LiDAR

"...But then in this scene, you can see the LiDAR system sees way further and way more objects than just vision..."

LiDAR is a technology that helps cars 'see' their surroundings by using lasers to measure how far away things are. It's important for self-driving cars to understand their environment better than just using cameras.

Term

radar

"...they had the radar at first, and then they removed the radar..."

Radar is a technology that helps cars detect other objects and measure how far away they are by using radio waves. It's often used to help cars avoid collisions and maintain safe distances.

Car

Rivian R2 Rivian

"...g right now. If you want to show us at the R2 D2 R2 Rivian. And that's the one of the other thing that's coo..."

The Rivian R2 is a new electric car that Rivian is planning to make, and it's supposed to be cheaper than their first models. It's designed to be smaller and more accessible for everyday people. People are excited about it because it could help more people switch to electric cars.

Company

Waymo

"...for a company like Waymo. They don't care as much because no one's going to own the car..."

Waymo is a company that works on self-driving cars. They are part of Google’s parent company and are trying to make cars that can drive themselves.

Car

Rivian

"...for a front facing LiDAR, which is the most important one, obviously, Rivian was able to do a very minimal extrusion"

Rivian is a company that makes electric trucks and SUVs. They focus on vehicles that are great for outdoor adventures.

Term

level four capabilities

"...they plan to have level four capabilities in the future, but they're not promising anything on the current hardware that they're selling..."

Level four capabilities mean that a self-driving car can drive itself completely in certain situations, but it might still need a human driver in other situations.

Car

Rivian R1S

"...or next month max, but that's, that's for gen two R1s vehicles. And right now there's 150,000 kilomete..."

The Rivian R1S is a new electric SUV that can go off-road and is built for people who love outdoor activities. It has a lot of space inside and comes with cool technology. It's talked about because it's one of the first electric SUVs made for adventure.

Car

Rivian R1

"...the demand for the R2 is through the roof already. And I don't know that everyone's going to want that. I think a lot of people just want a car that they can drive themselves..."

The Rivian R1 is a new electric car made for outdoor activities. It's built to be tough and has cool tech features to help you on adventures.

Brand

Volkswagen

"...this is maybe stuff that's also coming to Volkswagen. Maybe this is why the Volkswagen was like, Oh, we like that."

Volkswagen is a car company from Germany that makes many different types of cars, including popular ones like the Golf and the Beetle. They are known for their quality and technology.

Term

kilowatt hour

"...you get a 74.7 kilowatt hour battery pack. And for the base version, it's rear wheel drive."

A kilowatt hour is a way to measure how much energy a battery can store. In electric cars, it helps you understand how far the car can go before it needs to be charged again.

Term

all wheel drive

"And then for the sports and GT version, you have all wheel drive with Subaru symmetrical..."

All wheel drive means that all four wheels of a car get power from the engine, which helps the car grip the road better, especially in bad weather. Subaru has a special version of this system that they say is very good.

Term

kilowatt charging

"...you know, that's pretty good. 150 kilowatt charging 10% to 80% 28 minutes..."

Kilowatt charging is how fast you can charge an electric car's battery. The higher the number, the quicker it charges. For example, a 150 kW charger can fill up the battery faster than a lower-rated charger.

Concept

entry level vehicle

"...I think 200 should be like the bottom these days. But at the same time, like this is an entry level vehicle here, because the price is the most interesting part."

An entry level vehicle is a car that is cheaper and simpler, usually made for people who are buying their first car or want to save money. It doesn't have as many fancy features as more expensive cars.

Term

electric vehicle (EV)

"...the base version. So the forward wheel drive starts at $35,000. And then if you want the sports version to get the all wheel drive and the top range of 285 miles, that's $40,000."

An electric vehicle (EV) is a car that runs on electricity instead of gasoline. This means it doesn't produce exhaust fumes and is often better for the environment.

Term

range

"...over 300 miles of range, like they're getting all the things that Subaru..."

'Range' is how far an electric car can go before it needs to be charged again. It's important because it tells you how much you can drive without stopping to recharge.

Car

Subaru Solterra

"...all the things that Subaru, you know, that's the Solterra, come on. That was pretty weak sauce, like just a..."

The Subaru Solterra is Subaru's first electric SUV, which means it doesn't use gas and is better for the environment. It's designed to handle tough roads like other Subaru cars, but some people think it doesn't stand out as much as other electric SUVs. It's mentioned because it's a new option for people looking for electric vehicles.

Car

Mercedes-Benz EQB

"...electric and this, you know, I mean, what was the EQB? Like the EQB was kind of disappointing, like sm..."

The Mercedes-Benz EQB is an electric SUV that runs on batteries instead of gas, similar to the GLB but more eco-friendly. It offers a lot of the same comfort and space but is designed to be better for the environment. People mention it because it's part of the trend of making more electric cars.

Term

WLTP

"that's WLTP, sure enough, but it's still going to be over 300 miles on the EPA."

WLTP is a testing method used to measure how much fuel a car uses and how much pollution it produces. It's meant to give a more accurate idea of a car's efficiency.

Term

EPA

"it's still going to be over 300 miles on the EPA."

The EPA is a U.S. government agency that measures how much fuel cars use and how much pollution they create. Their ratings help people choose more efficient cars.

Car

Tesla Model Y

"...it's kind of like close to a model Y. Yeah. I mean, I know that the driving cycle for the WLTP..."

The Model Y is an electric SUV made by Tesla. It's known for being efficient and having a good driving range, similar to other electric cars.

Concept

driving cycle

"...the driving cycle for the WLTP is a little bit different in the US because, you know, it is European..."

A driving cycle is a way of testing how a car performs under different driving conditions. It helps determine how far a car can go on a full charge or tank of gas.

Car

G-Class

"I mean, I'm not going to say it looks like a G-wagon or anything, but it definitely has more G-wagon vibe to it."

The G-Class is a fancy SUV made by Mercedes-Benz. It's known for its square shape and ability to go off-road, making it popular among people who want both luxury and adventure.

Term

MBUX screen

"...you have the giant MBUX screen on this thing. Mercedes is Apple CarPlay, right? They do Apple CarPlay, right?"

The MBUX screen is a large touchscreen in Mercedes cars that helps you control music, navigation, and other features. It can also respond to voice commands.

Car

Tesla Model 3

"...ose. I guess only sell the cheaper version of the Model 3 Model Y, but the all-wheel-drive long-range Mode..."

The Tesla Model 3 is a type of car that runs on electricity instead of gasoline. It's known for being faster than many regular cars and has high-tech features like a big touchscreen inside. People talk about it because it's one of the more affordable electric cars available.

Term

tax credit

"...especially since the removal of the tax credit in the US..."

A tax credit is money the government gives back to you when you buy something, like an electric car, to help lower the cost.

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