Will investment in hydrogen-powered cars pay off?

Aired: 5/19/2014 | 0:06:52 | Clip
After spending more than a decade and billions of dollars on developing zero-emission hydrogen fuel cell vehicles, carmakers are planning to release their models in California. But despite the state’s large demand for cars and tough air quality standards, California lacks a network of fueling stations. Scott Shafer and Sheraz Sadiq of KQED in San Francisco have the story.