California has long been able to set its own emissions standards under the Clean Air Act provided they are more stringent than federal regulations. Under that authority, the state announced in 2022 a plan to phase out fossil fuel cars in stages, culminating with the ban in 2035. California's phase-out would begin in 2026, when the state will require 35% of automakers' sales to be zero-emissions vehicles (ZEV), either electric or hydrogen. In the third quarter of this year, ZEV market share was 26.4%. However, the Biden administration's decision is certain to be reversed by the incoming Trump administration; the last Trump administration rescinded California's waiver in 2019, though the EPA under Biden restored it three years later, after 23 states sued the federal government. Automakers have wavered on the waiver. Many have agreed to recognize California's authority in the area, agreeing to limit emissions and wind down sales of fossil fuel vehicles in the state. But they have also...
learn more
