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Generating Hydrogen without the Carbon Footprint?

Here’s some interesting research on generating hydrogen:

Researchers generate hydrogen without the carbon footprint
A greener, less expensive method to produce hydrogen for fuel may eventually be possible with the help of water, solar energy and nanotube diodes that use the entire spectrum of the sun’s energy, according to Penn State researchers.

“Other researchers have developed ways to produce hydrogen with mind-boggling efficiency, but their approaches are very high cost,” says Craig A. Grimes, professor of electrical engineering. “We are working toward something that is cost effective.” Read more