you don't have to buy natul gas.nrel's biomass program is helping to pave the way to a new energy future. douglas: with added efficiencies, we think we could very easily get to the point where half or more of the liquid fuels used in the u.s. could be grown here in the u.s. on an annual and cyclical basis. so we would be growing our own transportation fuel. narrator: biomass fuels, along with other renewable energy sources, carbon sequestration, nuclear energy, and new efficiencies will all contribute to providing affordable energy for our rapidly increasing global population and reduce the impact of climate-changing greenhouse gases. funding for this program is provided by annenberg media. for information about this and other annenberg media programs, call... and visit us at... hasyou look healthyd, "you and you feel fine, health"? but that may not be the full picture. colorectal cancer is the number two cancer killer. it doesn't always cause symptoms, but it can be prevented. get screened. make sure you are the pic