Home » The Annoying Reason Why Cars Might Get Even Heavier

The Annoying Reason Why Cars Might Get Even Heavier

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One of the biggest advancements in modern cars is not a specific propulsion technology, but a materials and packaging story. Cars are getting heavier, but not as heavy as you’d imagine, given all the added safety equipment. You can thank the use of aluminum and other materials for this.

This is another Morning Dump where I talk about tariffs, because this is a tariff story. And an environmental one. There’s a decent chance that it might just be cheaper, in the long run, to let cars get a little heavier.

Vidframe Min Top
Vidframe Min Bottom

Here’s a heavy bit of news if you’re in charge of sales for Tesla: the company had another bad month, losing out to BYD in Europe, again. It’s also losing out to Renault, which is kinda killing it with its affordable EVs.

Stellantis had a better month, but it was not enough to prevent the company from slowing down its European production.

The Industry Has To Do Something About The $188 Billion Tariff Hit Coming

20250925 Brembo Brake Calipers Made From Recycled Aluminium (2) Large
Photo: Brembo

Automakers will surely continue to absorb some of the expected tariff costs. How much is another question. According to the Center for Automotive Research, the total cost to the automotive industry from all the various materials, parts, and vehicle tariffs will be about $188 billion (and that’s the conservative estimate).

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In addition to eventually passing that cost onto the consumer, one of the ways automakers could save money is just by not trying so hard to make cars lighter. That’s at least one proposal coming, according to Automotive News:

Lightweighting has been crucial for automakers looking to reach global fuel economy targets and emissions regulations. A 10 percent reduction in vehicle mass can lead to a 6-8 percent improvement in fuel economy and greenhouse gas emissions, according to a 2024 study conducted by researchers at the National Renewable Energy Laboratory and the U.S. Department of Energy.

While global standards aren’t going away, the Trump administration has signaled it is scaling back U.S. environmental regulations and reversing much of the Biden administration’s pro-EV policies.

The federal government’s $7,500 EV tax credit expires after Sept. 30. In July, the EPA proposed rescinding its 2009 legal opinion that greenhouse gas emissions harm human health, which would end limits on vehicle tailpipe emissions.

“One big thing going on is there are no more carbon credits to buy,” AutoForecast Solutions CEO Joe McCabe said at the Center for Automotive Research’s Management Briefing Seminars held Sept. 15-17 in Detroit. “Now you just found yourself a couple hundred million dollars of revenue to throw back in the mix.”

It’s generally understood that it’s more expensive to make a lighter part (perhaps using aluminum and some sort of composite as opposed to just steel). Now that companies need to make cars cheaper and there’s less pressure to make them efficient, it’s a potentially viable trade-off.

Of course, this isn’t a change you can make overnight. Trying to go back to certain materials and older designs is going to take time. There’s also the risk that you’re making a vehicle for one country, and other places still maintain their regulatory environment.

Making cars lighter is better for safety, better for the environment, and better performance. It may not be better for the bottom line anymore.

One interesting solution is to use recycled materials, which, if produced in a tariff-friendly way, could reduce cost and be better for the environment. In a fun coincidence, I got an email from Brembo this morning saying that’s exactly what they’re doing, with the first-ever caliper made with 100% recycled aluminum.

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After extensive scouting and testing, Brembo found the perfect match: an alloy made entirely from recycled aluminum. Using this alloy, CO₂ emissions across the entire lifecycle of the caliper can be reduced by 70% compared to a conventional alloy.

The shift to the new material demanded a re-evaluation of the product and an update to the manufacturing process. A comprehensive redesign and reindustrialization effort was launched to ensure the new solution could be scaled globally across all Brembo plants, delivering the highest quality and performance.

Brembo produces equipment all over the world, so I did ask a spokesperson specifically where the aluminum was being recycled.

The recycled alloy is sourced regionally, which aligns with Brembo’s strategy of sourcing near factories and producing parts near our customers’ factories. The alloy will be rolled out to global markets.

Makes sense.

Europe Continues To Be Tough For Tesla, Better For BYD

Byd Dolphin 1
Source: The Autopian

Sales of BYD EVs in Europe were up 201% year-over-year in August of this year. Tesla? Sales were down 36.6% over the same period, which means that BYD is selling more cars in EU countries than Tesla.

You can see the full sales release from the ACEA, but it shows that it’s not impossible for BYD to pass Tesla in sales in Europe this year. At the very least, it’ll be close.

And it’s not like people in Europe aren’t buying electric cars. The overall market was relatively flat in August, but BEVs were up 30.2%, hybrids were up 14.1%, and PHEVs were up 54.5%.

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Now that the revised Model Y is entirely out, I think it’s safe to say that Musk’s antics, combined with growing competition, have clearly had an impact.

Check Out The Renault 5

Renault5
Photo: The Autopian

Renault Group was up 8.1% year-over-year in August sales, with the Renault brand edging up 5.7%.

As Autocar points out, a lot of Renault’s success has come from the “brilliant” Renault R5 E-Tech. Will the company abandon the model? Of course not!

It would be a “massive mistake” for Renault not to replace the 5 in around five years time, and the next-generation supermini must be “very carefully” evolved to preserve its wide appeal.

That’s according to chief marketing officer Arnaud Belloni, who told Autocar that the reborn Renault 5 has made a huge impact on the French brand’s market footprint and public perception.

The 5 has only been on sale for around a year but is already one of the most popular EVs in Europe and is playing a pivotal role in attracting new customers to the Renault brand, with an 84% conquest rate in the UK.

It’s almost as if people will buy EVs if you make them fun and affordable…

Stellantis Is Pausing Production In Europe To Adjust To A ‘Challenging Market’

Alfa Romeo Tonale 2023 1280 24
Photo: Alfa Romeo

Stellantis had a decent August, growing 3.4%, but it’s still down about 8.9% for the year and saddled with a lot of inventory.

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According to Automotive News Europe, there’s an obvious solution to that:

The automaker will temporarily halt production of the Fiat Panda and Alfa Romeo Tonale at its factory in Pomigliano, near Naples, from Sept. 29 to Oct. 6, Stellantis said on Sept. 23. The plant’s 3,800 workers will be put on furlough, it added in a statement.

Production will be suspended in Poissy, west of Paris, from Oct. 13 to 31, Stellantis said. Poissy builds the DS3 and Opel Mokka small SUVs.

Stellantis is “adapting the rhythm of production in some of its plants in Europe,” the company said in a statement on Sept. 23.

The company “aims to adjust the production pace to a challenging market in Europe while managing inventories as efficiently as possible before the end of the year,” Stellantis said.

Also, do you know what’s a great way to sell Tonales in the United States? Make them more expensive, which is exactly what tariffs did.

What I’m Listening To While Writing TMD

It’s getting grey outside, and “Action/Adventure” from Andrew Bird seems to hit the spot.

The Big Question

What’s the heaviest vehicle you’ve ever driven?

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Top photo: ABB/Newspress

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Kuruza
Member
Kuruza
5 minutes ago

The heaviest vehicle I’ve driven was a 4×4 Stewart & Stevenson M1079 LMTV van. I fell in love with it immediately. The thing drove pretty much like a civilian SUV despite weighing about 19,000 pounds and having tires so heavy that the spare requires a hydraulic crane just to get it onto the ground. They did a pretty good job giving it a grunt-proof driving experience with a pushbutton Allison transmission and simplified controls. The tire pressure control system was especially impressive… even the trailer was linked in.

VanGuy
Member
VanGuy
26 minutes ago

1997(ish) Ford E-350 dump truck with a snow plow and a salt spreader. No idea what it actually weighed, but surely much more than my van.

It belonged to my (private) high school and I took it for 3 laps around the school when I won Principal for the Day.

…but over any substantial amount of time, yeah, my van was 5,500 pounds with just me in it.

Nic Periton
Member
Nic Periton
55 minutes ago

Heaviest? 374,300 lb dry weight, 2,200 drawbar horsepower, Many many years before I drove it it pulled 730 tonnes at a sustained 78 mph for thirty miles Mercedes Streeter of this parish will know what it is.

MAX FRESH OFF
Member
MAX FRESH OFF
1 hour ago

Heaviest vehicle I have driven was a US Air Force Blue Bird All American Ambulance Bus. I only drove it around the base and on the flightline enough to become familiar with handling it. I still have my old AF Driver’s License somewhere that says I am qualified to drive a “Bus, Ambulance”, “4X4, Ambulance”, “Forklift, 10K”, and “Forklift, 4K”. The only way to fail becoming qualified was to crash into something or to put gasoline in the diesel fuel tank, which someone had done a few years back.

Last edited 1 hour ago by MAX FRESH OFF
Sofonda Wagons
Member
Sofonda Wagons
1 hour ago

That Renault 5 press photo desperately needs some LeCar decals on the door, a big open cloth sunroof, and a model standing up out of it holding a giant loaf of bread. Until then, it is nothing more than a wanna be quasi 5!

Vee
Vee
1 hour ago

The thing is, I doubt they’re going to go with metal if lighter metals get too expensive. They’re going to put even more plastic in, and with the lack of high end plastics because of reduced imports we’re going to get cheaper, brittler, thicker stuff.

Your door hinges? Plastic. Door latches? Plastic. Seat rails? Plastic. Seat belt buckles? Plastic. Pedals? Plastic. Door crash bar? Plastic. Trunk or hatch? Plastic. Engine mounts? Plastic. Brake lines? Plastic.

Canopysaurus
Canopysaurus
1 hour ago

Heaviest vehicle driven? A 42-foot bus weighing 36,000 lbs empty. Probably 42-44k fully laden. A battleship in a wading pool around town, but a great highway cruiser.

Last edited 1 hour ago by Canopysaurus
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