April 28, 2015 6:45 pm Proterra Shows Off Electric Bus You’ll soon see a new kind of bus on Bay Area roadways. It won’t solve the traffic problem, but it may clear the air a bit. Scott Budman reports. US & World Videos 1:52 Off-duty nurses help save man who collapsed on East Bay basketball court 1:04 Watch: Car fire on the Bay Bridge 2:50 Forecast: Gusty winds, cooler weekend 2:53 2-alarm fire destroys Concord vacant building 2:10 Alameda County supervisors to decide fate of DA recall election