Here’s what to know about California’s new carpool lane rules. What to Know About the Clean Air Vehicle Program Work? The Clean Air Vehicle Decal program, which allowed solo EV drivers to use carpool lanes, officially expired after Congress and President Trump declined to extend it. The California Highway Patrol offers a 60-day grace period, but solo drivers in carpool lanes risk citations after that. —This article originally appeared on Palm Springs Desert Sun: California ends solo EV access to carpool lanes, Here’s what to knowReporting by James Ward, Palm Springs Desert Sun / Palm Springs Desert SunUSA TODAY Network via Reuters Connect