The president's second stop is at the General Motors plant that manufactures the Chevrolet Volt, an electric and gas-powered vehicle that some say might revolutionize the industry.
VOA: standard.2010.07.29
The technique works by focusing high-powered microwaves on plant-based material, transforming the tough cellulose molecules of the plant matter into volatile gases.
Now, that's a low bar, given -- (laughter.) But there was a team from Tennessee that had designed a self-powered water filtration plant so that homes in Appalachia could have access to clean water.
At any rate, a group of municipal power companies in the American Midwest reckon that building a wind-powered compressed-air plant to take advantage of the blustery Great Plains will be worthwhile.