California’s zero emission regulations are causing truck shortages and rising costs, according to the trucking and heavy-duty vehicle industry.State officials plan to end traditional combustion truck sales by 2036.California’s Advanced Clean Trucks (ACT) regulation requires manufacturing companies to gradually increase the percentage of zero-emission vehicles (ZEVs) they sell on the market—such as electric or hydrogen—and reduce the number of gas and diesel trucks.Anthony Bento, chief legal officer for the California New Car Dealers Association, said dealers in the state have seen dramatic decreases in available trucks for the 2024 model year as a result of the new rules.“These rules are...