Tuesday, February 19, 2008

Gas from Gas?

Will the environmental and energy crises be solved by turning greenhouse gases into fuel? That's what two scientists at Los Alamos National Lab are claiming, according to this article in the New York Times. (See excerpt below):
The scientists, F. Jeffrey Martin and William L. Kubic Jr., are proposing a concept, which they have patriotically named Green Freedom, for removing carbon dioxide from the air and turning it back into gasoline.
The idea is simple. Air would be blown over a liquid solution of
potassium carbonate, which would absorb the carbon dioxide. The carbon dioxide would then be extracted and subjected to chemical reactions that would turn it into fuel: methanol, gasoline or jet fuel.
This process could transform carbon dioxide from an unwanted, climate-changing pollutant into a vast resource for renewable fuels. The closed cycle — equal amounts of carbon dioxide emitted and removed — would mean that cars, trucks and airplanes using the synthetic fuels would no longer be contributing to global warming.
Although they have not yet built a synthetic fuel factory, or even a small prototype, the scientists say it is all based on existing technology.
“Everything in the concept has been built, is operating or has a close cousin that is operating,” Dr. Martin said.
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