The California Air Resources Board, or CARB, which regulates car and truck pollution in the state, will soon fully open its new, very expensive state-of-the-art laboratory and testing center in Riverside. The hope is that it can be a key tool in the decades-long fight against air pollution and, more recently, climate change. Reporter: Saul Gonzalez, The California Report Learn more about your ad choices. Visit megaphone.fm/adchoices