Washington needs to do a large amount of legwork to prepare for Gov. Inslee’s mandate banning the sale of new gas-powered cars by 2035, state officials said.

Oregon’s adoption of California’s ACC II rules could cost automakers up to $3 billion but yield $5.8 billion in economic benefits for the Beaver State by 2040.

With a provision for PHEVs, California’s Advanced Clean Cars II regulations won’t completely eliminate internal combustion engines in new vehicles.

Oregon regulators are racing to adopt by year-end a California rule requiring all new cars sold in the state to be zero-emission or plug-in hybrid by 2035.

CARB adopted regulations that will require all new cars sold in the state to be zero-emission or plug-in hybrid by 2035, a trailblazing move, the agency says.

Oregon is setting a course to adopt proposed California regulations that would require both states to phase out the sale of gasoline-powered cars by 2035.

California regulators are fine-tuning a set of draft rules that would transition the state to 100% light-duty ZEV sales by 2035.

The Vt. Agency of Natural Resources will adopt four California vehicle emission standards by the end of the year so they will be effective for model year 2026.

Vermont Gov. Phil Scott vetoed a bill to create a Clean Heat Standard, saying it had no detail on costs and impacts.

Massachusetts Undersecretary of Energy Judy Chang revealed potential Commission on Clean Heat recommendations in a draft 2025/2030 Clean Energy and Climate Plan.