California lawmakers are considering a bill that would devote $3 billion to clean car incentives, including bigger rebates for consumer that buy electric cars or plug-in hybrids.

The bill, which is being sponsored by Assemblyman Phil Ting(D-San Francisco) and has already passed the California Assembly, will boost the incentives the state gives out to owners just as large automakers like General Motors (NYSE: GM) and Tesla (NASDAQ: TSLA) start bringing lower-priced electric cars to the mass market.

“It’s…