Almost 15 years ago, California’s Air Resources Board, known as “CARB”, passed a set of clean air regulations with assigned dates for implementation. Of those emissions rulings, the last to go into effect hits the trucking and bus industry the hardest, going into effect on January 1, 2023. It bans large trucks and buses built before 2010 from California roads. At the end of December 2022, CARB estimated that there are 200,000 trucks and busses that it applies to. These are 14,000 lb and heavier vehicles that can no longer be driven in California. It estimates that number represents 10%...