Future of cars in California: hydrogen, electric, gas

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A Hyundai Tucson hydrogen fuel cell electric vehicle is filled at the pump by Derek Joyce in Newport Beach, California June 9, 2014. Photo by Alex Gallardo/Reuters.

California is banning the sale of new gas cars starting in 2035, as part of its goal to curb carbon emissions. People working in the automotive industry are nervous about what that means for their livelihoods. And people looking to purchase new automobiles must turn to the two main alternatives: electric vehicles (EVs) and hydrogen fuel cell cars.