Fuel cell future?
Fuel cells have got the energy world buzzing. They are like rechargeable batteries with a difference - they never run down.
Even better still, fuel cells are noise-free, efficient and emit no carbon dioxide - the gas that's the key culprit changing our climate. The electricity generated by hydrogen produces just water as waste. Is it all too good to be true? antenna asked Imperial College energy scientist David Hart.
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David Hart
Image: Imperial College |
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