Tag: fuel cells
Discover how sea otters, hydrogen-powered cars and old-growth forests are helping to battle climate change. Also, learn how some Galapagos penguins are surviving warmer temperatures.
In 2009, U.S. Secretary of the Department of Energy Steven Chu dismissed zero-emission hydrogen fuel cell vehicles as an impractical alternative to electric cars. Now an abundant supply of natural gas, from which hydrogen can be extracted, is changing Chu's mind, but that natural gas comes from the controversial hydraulic fracturing process.