About a quarter of all new vehicles sold in California last year were zero emission. But there are big regional differences in where electric vehicles are bought and driven in the state. You see a lot of them on the road in the Bay Area, Los Angeles and Orange County, but it’s harder to spot them in the Central Valley or Imperial County. But there are programs aimed at addressing the EV gap. Reporter: Laura Klivans, KQED California workplace regulators are expected to vote Thursday on new protections from dangerous heat for millions of indoor workers. The Occupational Safety and Health Standards Board is considering new rules that would require most employers to keep indoor work areas below 87 degrees when feasible, or if it's not, change workers’ shifts or use protective equipment to reduce the risks. Reporter: Farida Jhabvala Romero, KQED Learn more about your ad choices. Visit megaphone.fm/adchoices