Fuel from food waste: bacteria provide power
Date: 21.7.2008
Researchers have combined the efforts of two kinds of bacteria to produce **hydrogen** in a **bioreactor**, with the product from one providing food for the other. According to an article in the August issue of Microbiology Today, this technology has an added bonus: leftover enzymes can be used to scavenge precious metals from spent automotive catalysts to help make **fuel cells** that convert hydrogen into energy.
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