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The nanotree forest is 100 times cheaper than current technologies used to split water molecules into hydrogen and oxygen. | Deli Wang, U.C. San Diego
Tech

Tiny, Lorax-Like Trees Harvest Sun's Energy

A forest of tiny nanowire trees that even Dr. Seuss might approve of, uses sunlight to turn water into hydrogen fuel.

March 12, 2012
1:26 PM EDT