California is set to see one of its first extended heat waves. That could mean major problems for parts of the state, where flooding is likely from a melting snowpack. Among the communities on edge is Corcoran in the Central Valley, which is already surrounded by rising water.Guest: Joshua Yeager, Reporter, KVPRAs California wages its fight against smog and climate change, state regulators this week will vote on a plan to start phasing out diesel truck fleets -- from delivery vans, to garbage trucks, to 18-wheelers. The regulators want to see them replaced with zero emission vehicles.Reporter: Laura Klivans, KQED Learn more about your ad choices. Visit megaphone.fm/adchoices