California is no longer seeking to enforce ACF, which would have required fleets to phase in ZEVs. The state is withdrawing its bid for an EPA waiver just days before Donald Trump takes office.

The CARB Clean Truck Check enforces stringent emissions standards. This regulation governs all diesel and alternative fuel vehicles over 14,000 lbs., regardless of their registration state.

California has withdrawn its request for a federal waiver to implement the state’s Advanced Clean Fleets rule. In a brief letter Monday to Jane Nishida, acting administrator of the Environmental ...

18, to the country’s major heavy-duty truck manufacturers suggesting that they abandon their Clean Truck Partnership (CTP) agreement with the California Air Resources Board (CARB). “The Clean Truck ...

NASA official Mike Deliz explains in this August 2017 video how NASA will for decades continue to clean up solvents used to clean rocket parts.