California’s push to electrify its cars is facing a potentially serious problem: People aren’t buying electric cars fast enough.

Aside from Tesla, no other major manufacturer will meet the state’s 35% threshold for zero-emission vehicles in the 2026 model year, a trade group leader says.

Douglas McIntyre, editor-in-chief at Climate Crisis 24/7, reports that EV sales in California—America’s largest EV market—grew by just 1% last year. With the state leading the push for EV adoption, this stagnation raises concerns for the rest of the country.