California’s clean vehicle sticker program is ending, and that means you’ll actually need to find a carpool buddy now.

Electrical vehicle owners who drive on California highways are in for a rough transition next week when their ability to take the carpool lane through traffic or over tolls comes to a sudden stop.

One of California’s longest-running incentives for people to buy electric cars — stickers that provides access to carpool lanes regardless of how many people are in their vehicle — is coming to end.