FILE - In this June 28, 2011 file photo, other autos are reflected in the curved bumper of a Toyota Prius hybrid auto bearing California DMV decals in Los Angeles. California is poised to vote on new rules that would require automakers to build cars and trucks by 2025 that emit about three-quarters less smog producing pollutants and also mandate that one of every seven new cars sold in the state be a zero emission or plug-in hybrid vehicle. The California Air Resources Board will begin hearing testimony Thursday, Jan. 26. 2012 in Los Angeles on its ?Advanced Clean Car? program, and is expected to continue on Friday. (AP Photo/Reed Saxon)