The California Air Resource Board (CARB) has withdrawn its request to enact the proposed Advanced Clean Fleets rule, which required fleets that are “well-suited for electrification” to reduce ...

Both proposals require the U.S. Environmental Protection Agency to grant CARB a waiver of federal rules to proceed. The state has withdrawn its waiver request for the ACF law, but the ACT proposal ...

[Stay on top of transportation news: Get TTNews in your inbox.] SACRAMENTO, Calif. — California’s efforts to limit pollution from diesel-powered trains and big rigs were stalled in ...

In a lawsuit against CARB filed on behalf of their members in the Eastern District of California, AAR and ASLRRA challenged the CARB rule, which they said “would limit the useful life of today’s ...

In a brief letter Monday to Jane Nishida, acting administrator of the Environmental Protection Agency, Steven Cliff, executive officer of the California Air Resources Board, said CARB was withdrawing ...