Hydrogen: a fuel of the future?

It's the most abundant element in the universe. When produced using renewable energy, it creates no greenhouse gas emissions. So why don’t we hear more about hydrogen? And why aren’t we all driving hydrogen cars? Presented by Kunal Dutta. Featuring John Hunt, Toyota; Ben Madden, Element Energy; Matthew Rooney, Institute of Mechanical Engineers & Matthew Tipper, ShellSee omnystudio.com/listener for privacy information.