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In a stunningly futuristic move, scientists are developing a new generation of bio-fuel that could actually clean the air of carbon, leave the earth greener than consumers found it. You can pitch in to help their research see the light of day, and reach the consumer market. By becoming educated and then spreading the word about fourth-generation biofuels, you'll help raise awareness of this new technology. By making your voice heard to legislators and other funding sources, and letting the powers that be know that citizens feel this research is a priority, you'll help keep a steady stream of funding coming in to the labs where this green solution is being developed.