As reported April 5, though trucking association-led efforts to delay compliance continue with the California Air Resources Board, CARB's Truck and Bus Regulation's final phase, if it stands as written, requires repower or replacement of trucks registered or operating in the state with 2007-2009-emissions-spec engines by the end of 2022.
Weigh in on whether you will be affected by the regulation in the following poll. If your equipment is affected, drop a comment on this page or under the poll to spell out your plans around the rule.
Read more about the rule via this link.