EPA released proposed rules ramping up emissions requirements for cars and trucks, which are expected to drive electrification of the transportation sector.

Supporters of New Jersey’s efforts to adopt California’s ACC II rule urged officials to move faster, citing the danger of missing a crucial year-end deadline.

Maryland will fast-track adoption of California’s ACCII rule, requiring that 100% of all new passenger cars sold in the state be zero-emission vehicles by 2035.

Critics of a Washington bill to impose a road usage fee on electric and hybrid vehicles lined up to testify at the state capitol.

The bill to create a road usage fee for electric and hybrid vehicles in Washington is more of a conversation starter than a nailed-down piece of legislation.

While EVs are on the floor they are by no means the main attraction, and much uncertainty remains about how fast automakers can build out their supply chains.

The Oregon Environmental Quality Commission voted to adopt California's Advanced Clean Car II rules banning the sale of gas-powered passenger vehicles by 2035.

The California Air Resources Board approved its largest budget yet for incentive programs for clean cars, trucks and buses.

A Nevada advisory panel is recommending the state adopt a mileage-based road usage charge for ZEVs to replace lost gas tax revenues.

Leaders from the three West Coast states and the Canadian province of British Columbia signed an agreement pledging to cooperate on climate change measures.