National Plug-In Day 2012: San Francisco, with 60 Nissan Leafs in front of the Golden Gate Bridge With China mulling an eventual ban on sales of cars with gasoline or diesel engines, the world’s largest car market made it clear earlier this month that it intends to force a conversion to zero-emission vehicles. Now California, which has led the U.S. in environmental awareness and emission reduction for decades, is doing the same. Governor Jerry Brown is interested in the idea, noting that China could take a leading role in reducing climate-change emissions—one that his state has claimed for 70 years. DON’T MISS: Will California lead the green-car resistance? (Dec 2016) Mary Nichols, head of the powerful California Air Resources Board, told Bloomberg in an interview Friday that Governor Brown asked her, “Why haven’t we done something already?” Any such ban, she said, would be at least 10 years away […]