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Plasma turns waste to ethanol.
Fuel from grass and wood chips could be big in the next 10 years–if the government helps.
Researchers have built and tested for the military a portable machine that efficiently turns waste into electricity.
Rising corn prices are already affecting everything from the cost of tortillas in Mexico City to the cost of producing eggs in the United States.
Oil from microorganisms could help ease the nation’s energy woes.
Moving too quickly on alternative fuels could backfire, says one expert on ethanol fuels.
Researchers find a way to make liquid fuels from waste cheaply and without the pollution produced by earlier methods.
Sequencing the genomes of microbial ecosystems could lead to better biological machines.