Why UCS Supporters Are Pressing EPA to Let California Enforce Its Truck Pollution Rules
Union of Concerned Scientists
DECEMBER 1, 2022
California has a longstanding leadership role on transportation pollution, and the Clean Air Act grants the state the right to set strong vehicle emissions standards. Truck pollution is killing us, the planet, and it stinks. Truck pollution is a national issue, and in the absence of federal leadership, states have taken the helm.
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