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Critics Charge EV Credits In EPA Truck Rule Disincentivize NOx Cuts

Inside EPA · Stuart Parker · last updated

Environmentalists and California air regulators are strongly criticizing EPA’s proposal to reduce nitrogen oxides (NOx) from heavy-duty trucks, saying planned credits for engine manufacturers for NOx cuts from electric vehicles (EVs) disincentivize necessary emissions reductions, even as EPA fails to promote a transition to EVs in the sector.

“EPA’s proposal has chosen to credit EV vehicles while ignoring them as a NOx solution. This is untenable for communities dealing with truck pollution,” Dave Cooke, senior vehicles analyst with the Union of Concerned Scientists (UCS), said during an April 12 hearing on the rule.

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More than 30 years after the last major update of the Clean Air Act, the U.S. Supreme Court has upended the ability of Congress to give the Environmental Protection Agency and other federal agencies broad scope to combat air pollution, including the emission of greenhouse gases. Meanwhile, further Biden administration efforts to limit emissions face opposition in the courts. 

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