You've seen those cars with the HOV access stickers cruising down the carpool lane with only a driver inside -- their time is almost up. John O'Dell has been covering green and alternative fuel cars ...

For years, green-car buyers in California have enjoyed a special perk: access to high-occupancy vehicle lanes that can whiz past gridlock, even with just a single occupant. Now, updates to the rules ...

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 ...