EPA finalizes first clean trucks rule in 21 years, but it could be better
The EPA has finalized a long-awaited update to their truck emissions rules, the first update to US truck clean air standards since 2001, though environmental groups say the EPA could do better.
The new rule starts in model year 2027 and is up to 80% stronger than the current standard. It will reduce smog-forming Nitrogen Oxide (NOx) emissions from trucks by almost half by 2045.
NOx is one of the primary components of smog, and is emitted by the combustion of gasoline and diesel. Diesel engines tend to produce much more NOx than gasoline engines, so heavy diesel trucks have significant NOx impacts. About 16-18% of NOx emissions come from heavy duty trucks (though in some states it’s higher, like in California at 32%), despite them accounting for a smaller percentage of total road traffic.
So, regulating the relatively smaller amount of trucks can have outsized influence on overall NOx emissions.
The EPA claims this new regulation will result in several benefits by 2045:
- Up to 2,900 fewer premature deaths
- 6,700 fewer hospital admissions and emergency department visits
- 18,000 fewer cases of childhood asthma
- 3.1 million fewer cases of asthma symptoms and allergic rhinitis symptoms
- 78,000 fewer lost days of work
- 1.1 million fewer lost school days for children
- $29 billion in annual net benefits
The regulations will also “increase useful life of governed vehicles by 1.5–2.5 times, and will yield emissions warranties that are 2.8–4.5 times longer,” according to the EPA.
But not everyone is happy with the new rule. While it’s a big step forward for diesel truck emissions regulation, environmental groups had hoped the rule would focus more on zero-emissions trucks, rather than merely making cleaner versions of dirty diesels.
The Natural Resources Defense Council hailed the EPA for finally updating these rules after 20 years of inaction, but claimed that “these standards fall short, and the agency missed a critical opportunity to slash soot and smog and accelerate the shift to the cleanest vehicles” – by which it means fully-electric trucks. And the American Lung Association praised the rule, looking forward to the EPA’s plans to issue more rules on cleaner trucks starting next year.
On the other side, the Diesel Technology Forum, an industry group in favor of expanded diesel trucking, seemed quite happy with the new rule. They claim this will help accelerate the turnover of old diesel trucks to newer, more efficient models – and think that electric trucks are not the ideal solution for trucking.
Thankfully, this isn’t the end, as far as the EPA goes. The EPA plans to release further rules for greenhouse gas emissions in heavy duty vehicles starting spring of 2023, and these rules will also go into effect in 2027. Today’s rule change focused on NOx emissions, but CO2 is another important emission to regulate in order to fight climate change.
Transportation is the largest source of emissions in the US. Medium- and Heavy-duty trucks combined are responsible for 26% of US transportation CO2 emissions. Light-duty vehicles are responsible for more – 57%, a majority of transport emissions – but there are a lot more of them than there are of trucks.
The world is currently well-above pre-industrial CO2 levels. Any carbon-positive technology, such as diesel, can only make CO2 levels go up when they need to be going down. The first step towards getting back to ~350ppm CO2 from our current measure of 416ppm (and rising) is to move to zero-carbon technology in every sector, particularly the most-polluting ones like transportation. Putting more new diesel engines on the road just ensures that they will continue polluting for decades into the future, and which will eventually need to be replaced by zero-emission trucks anyway.
The EPA had planned to issue truck CO2 rules this year, but due to new incentives for zero-emission vehicles in the Inflation Reduction Act, they pushed back their decision until this coming spring. With up to $40,000 available for commercial zero-emission vehicles and several new electric trucks just recently coming to market, the EPA seems confident that it can issue stricter CO2 rules than previously planned.
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In a move that helps the brand duck protectionist anti-Chinese tariffs, Volvo Cars has switched production of its award-winning EX30 models destined for US roads from its Zhangjiakou plant in China to the Ghent facility in Belgium.
Volvo EX30 production began in the company’s Ghent factory back in April, but those first cars were earmarked for the Swedish domestic and European export markets, but that move wasn’t primarily motivated by avoiding tariffs. As Electrive reports, the company seemed happy enough to continue importing its small electric crossover from China and accepting the new 28.8% tariffs (up from 10%), but the wait times to get the vehicles shipped in from China was imply too long.
In 2024, Swedish and German buyers had to wait up to eight months for their EX30 in some cases, according to Volvo Cars’ European boss, Arek Nowinski, per Automotive News. Once production in Ghent is fully up to speed, however, wait times should be cut to about 90 days. Those wait times, and the price hike associated with the tariffs, have hurt sales of the originally Chinese-made Volvo EV. In 2024, for example, the EX30 ranked third in European EV sales, but slipped out of the top 10 first half of 2025.
“The car is now being built in Europe, which means faster delivery times,” Volvo Cars CEO Hakan Samuelsson to Automotive News. “We should return to the sales and market share figures for the EX30 that we had before the introduction of tariffs.”
Coming to Staying in America
The EX30’s switch to Ghent is good news for American fans of the compact, lickety-quick Volvo EV. Now that it’s no longer exclusively made in China, Volvo has decided to give it a stay of execution as it revamps its US product lineup to better align with market trends (read: SUVs) and the changing political landscape (read: tariffs and inflation).
The reason? The Made in China version of the EX30 would virtually unsellable in the US due to the implementation of 147% tariffs on vehicles imported from China. Vehicles imported from Europe, meanwhile, carry just 15% tariffs, keeping the EX30 in a competitive price bracket.
Expect to see both Ghent and South Carolina play an increasingly large role in Volvo’s US product mix – at least for the next three-odd years.
SOURCE | IMAGES: Volvo Cars, Automotive News, via Electrive.
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New filings have revealed that BYD is about to release a ridiculous 3,000 hp electric supercar: the Yangwang U9 Track Edition.
BYD already shocked the world when it launched the Yangwang U9, its first all-electric supercar.
It featured four advanced electric motors with a combined power of nearly 1,300 horsepower. The U9 can accelerate from 0 to 62 mph (0 to 100 km/h) in just 2.36 seconds.
With a motor at each wheel and a highly advanced electric-air suspension, the U9 can turn on itself and even jump over potholes.
But that was only the beginning.
Based on a new filing with the Ministry of Industry and Information Technology (MIIT), BYD is preparing to launch a new ‘Track Edition’ of the Yangwang U9:
When an automaker releases a “track” version of a car, it typically primarily features body changes for better aerodynamic performance, adding downforce, and it will also often feature bigger brakes.
The Yangwang U9 ‘Track Edition’ appears to feature all that… and much more.
The filing reveals that BYD updated the motors at each wheel to a new 555 kW motor. That’s a higher-performing motor than in most performance electric vehicles. The U9 Track Edition has four of them for a total of 2,220 kW (3,019 hp).
I would have thought that this was a typo if it wasn’t for the insane electric vehicles coming out of China these days.
Here are a few pictures from the MIIT filing:
There are a lot of performance specs that are not included in the MIIT filing. Therefore, it will be interesting to see when the vehicle is fully unveiled and BYD reveals what kind of performance it can achieve with 3,000 hp packed in 4 electric motors.
Here are a few other features mentioned in the filing:
Standard features:
- 20-inch wheels with 325/35 R20 tyres
- Carbon-fibre roof
- Large fixed carbon-fibre rear wing
- Rear diffuser with adjustable blades for aerodynamic optimisation
Optional aerodynamic parts:
- Standard or enhanced carbon-fibre front splitter
- Electric rear wing
Electrek’s Take
How are they going to keep that thing from flying away? Seriously.
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