New Rules Includes Hybrids and PHEVs to Cut Tailpipe Emissions

Chris Teague
by Chris Teague

New standards are coming for tailpipe emissions in the next few years. An announcement from the Biden administration this week unveiled the rules, which look to remove more than seven billion tons of carbon and other pollutants from our air.


Vehicle emissions account for 28 percent of the United State’s greenhouse gases, and the new standards are said to help reduce that number while saving nearly $100 billion in healthcare costs and billions more in fuel and other vehicle costs. The Biden administration has a goal of cutting emissions by 50 percent or more from 2005 levels by 2030.


The EPA proposed similar rules, but the Biden administration’s plan is slightly less ambitious after the United Auto Workers Union and automakers pushed back on the agency’s ideas. Biden’s plan rolls out between 2027 and 2029 before ramping up between 2030 and 2032. However, rather than relying solely on EVs to cut tailpipe emissions as initially suggested by the EPA, the new plan includes a range of electrified and even efficient gas engines to ease emissions.


It's not a mandate to force automakers to build EVs -- instead, the new rules will be stricter than at present. It will be up to automakers to figure out how to comply.


The UAW praised the announcement, saying “By taking seriously the concerns of workers and communities, the EPA has come a long way to create a more feasible emissions rule that protects workers building ICE vehicles, while providing a path forward for automakers to implement the full range of automotive technologies to reduce emissions.”


Industry leaders have opposed an EV-only path forward, citing wavering demand and high prices.


[Image: Lucasimage via Shutterstock]


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Chris Teague
Chris Teague

Chris grew up in, under, and around cars, but took the long way around to becoming an automotive writer. After a career in technology consulting and a trip through business school, Chris began writing about the automotive industry as a way to reconnect with his passion and get behind the wheel of a new car every week. He focuses on taking complex industry stories and making them digestible by any reader. Just don’t expect him to stay away from high-mileage Porsches.

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  • Calrson Fan Calrson Fan on Mar 21, 2024

    "Vehicle emissions account for 28 percent of the United State’s greenhouse gases,"


    Not VEHICLE, Transportation emissions account for 28% of US greenhouse gases. Of that light duty vehicles account for roughly 60%. So we are really talking about 15%, not 28%.


    FYI that Electricity accounts for 25% of US greenhouse gases and Industry 23%. Electric cars are hardly gonna save the planet. we got plenty of other issues.

  • Doug brockman Doug brockman on Mar 22, 2024

    “We’re not making gasoline cars illegal!”


    But at the end of the day you’ll have to buy electric

  • Jeanbaptiste 2022 Tesla model 3 performance ~35000 miles tires - ~$1000ish. Several cabin filters ~$50
  • El scotto No rag-top, no rag-top(s) = not a prestigious car brand. Think it through. All of the high-end Germans and Lexus have rag-tops. Corvette is really its own brand.World-leading engines. AMG, M, S and well Lexus is third-world tough. GM makes one of the best V-8s in the world in Bowling Green. But nooooo, noooo, we're GM only Corvettes get Corvette engines. Balderdash! I say. Put Corvette engines in the top-tier Cadillacs. I know GM could make a world-class 3.5 liter V-6 but they don't or won't. In the interior everything that gets touched, including your butt, has to feel good. No exceptions.Some think that those who pay above MSRP and brag about it are idiots. Go the opposite direction, and offer an extended 10-year 100,000-mile factory warranty. At a reasonable price. That's Acura's current business model.
  • Carrera 2014 Toyota Corolla with 192,000 miles bought new. Oil changes every 5,000 miles, 1 coolant flush, and a bunch of air filters and in cabin air filters, and wipers. On my 4th set of tires.Original brake pads ( manual transmission), original spark plugs. Nothing else...it's a Toyota. Did most of oil changes either free at Toyota or myself. Also 3 batteries.2022 Acura TLX A-Spec AWD 13,000 miles now but bought new.Two oil changes...2006 Hyundai Elantra gifted from a colleague with 318,000 when I got it, and 335,000 now. It needed some TLC. A set of cheap Chinese tires ($275), AC compressor, evaporator, expansion valve package ( $290) , two TYC headlights $120, one battery ( $95), two oil changes, air filters, Denso alternator ( $185), coolant, and labor for AC job ( $200).
  • Mike-NB2 This is a mostly uninformed vote, but I'll go with the Mazda 3 too.I haven't driven a new Civic, so I can't say anything about it, but two weeks ago I had a 2023 Corolla as a rental. While I can understand why so many people buy these, I was surprised at how bad the CVT is. Many rentals I've driven have a CVT and while I know it has one and can tell, they aren't usually too bad. I'd never own a car with a CVT, but I can live with one as a rental. But the Corolla's CVT was terrible. It was like it screamed "CVT!" the whole time. On the highway with cruise control on, I could feel it adjusting to track the set speed. Passing on the highway (two-lane) was risky. The engine isn't under-powered, but the CVT makes it seem that way.A minor complaint is about the steering. It's waaaay over-assisted. At low speeds, it's like a 70s LTD with one-finger effort. Maybe that's deliberate though, given the Corolla's demographic.
  • Mike-NB2 2019 Ranger - 30,000 miles / 50,000 km. Nothing but oil changes. Original tires are being replaced a week from Wednesday. (Not all that mileage is on the original A/S tires. I put dedicated winter rims/tires on it every winter.)2024 - Golf R - 1700 miles / 2800 km. Not really broken in yet. Nothing but gas in the tank.
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