biofuels

Modified Algae Produce Clean, Easy Hydrogen

Simple organisms pave the way to the hydrogen-fueled future

Algae get a lot of airtime as a possible future source of biofuels to wean us from dirty fossil fuels, but even biofuels don't go so far as to eliminate hydrocarbons (and their constituent carbon emissions) from our energy diet. But a different use for algae could prove a better solution to the future of fuel.

A new process that produces clean, sustainable hydrogen from photosynthesis in algae could change all that. The means of manufacturing clean, usable hydrogen has heretofore required a high-energy process that drastically dilutes the upside.

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Decoded Corn Genome Promises Higher Yields, Better Biofuels, New Plastics


Corn, Illinois:  Randy Wick/Flickr
With its annual output of over 330 million tons a year feeding animals, running cars, and decorating South Dakota tourist attractions, maize is clearly Americas most important crop. That's why the newly published complete corn genome could drastically change the food, automotive and plastic industries.

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December 2009: Best of What's New

In our December issue, Popular Science names the 100 best innovations of the year: bombproof wallpaper, self-parking cars, the fastest helicopter, and 97 more. Plus inventor profiles and videos.

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