On Wednesday, the Biden administration implemented strict tailpipe emission limits to curb pollution from the country’s cars and light trucks. These measures are so stringent that automakers will be compelled to increase sales of electric vehicles and plug-in hybrid models.
Despite some relaxation in the immediate requirements due to resistance from automakers, the Environmental Protection Agency‘s mandates will still necessitate manufacturers to transition swiftly towards zero-emission vehicles.
EPA Administrator Michael Regan proclaimed Wednesday that the rule delivers the “strongest-ever vehicle pollution” standards in US history. He touted the measure inside the Washington, DC, armoury surrounded by electric vehicles. “These technology-neutral and performance-based standards give the auto industry the flexibility to choose the combination of pollution control technologies best suited for their customers.”
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According to EPA projections, in one scenario, automakers could meet the 2032 requirements by increasing the share of battery-electric vehicles in total US sales to 56%, plug-in hybrids to 13%, and conventional combustion-engine cars to 29%.
This aligns closely with previous forecasts suggesting that carmakers could achieve compliance by ensuring approximately two-thirds of their sales were battery-electric models without considering plug-in hybrids. Battery electrics constitute less than 8% of US sales, while plug-in hybrids account for barely 2%.
Automakers have welcomed concessions in the final rule, including the regulation’s broader acceptance of popular plug-in hybrids to reduce pollution.
The measure also extends controversial credits for technologies that enhance fuel efficiency but may not directly impact tailpipe emissions.