California offers new tax credit for drivers who switch to electric vehicles: Here's what to knowNow, Californians will automatically get a $3,500 tax credit for a new zero-emission car, or half that for a used EV. Now, Californians will automatically get a $3,500 tax credit for a new zero-emission car, or half that for a used EV. Now, Californians will automatically get a $3,500 tax credit for a new zero-emission car, or half that for a used EV. Now, Californians will automatically get a $3,500 tax credit for a new zero-emission car, or half that for a used EV. Now, Californians will automatically get a $3,500 tax credit for a new zero-emission car, or half that for a used EV.