One of the major incentives for buying a plug-in electric car in California is the coveted sticker allowing single-occupant travel in the carpool lanes on the state's crowded freeways. Now, the supply ...

All good things must come to an end, and so it is with the green stickers that give plug-in hybrid drivers access to California's freeway carpool lanes with just one person in the car. A total of ...

California's carpool-lane program for plug-in hybrids is about to run out of stickers. If the story sounds familiar, it is. The state has a history of issuing fewer carpool stickers than demand would ...