California will require zero-emissions buses by 2040

California will require zero-emissions buses by 2040

This is no mean feat when zero-emissions vehicles currently represent just 153 out of the 12,000 buses serving Californians. As with cars, proponents are betting that electric and hydrogen fuel cell buses will become capable enough and cost-effective enough to completely replace their conventional counterparts. The deadlines are meant partly to spur technological progress — …