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BTU


Click and Clack tackle cost effectiveness of ethanol

Tom and Ray Magliozzi, who host of the popular NPR program Car Talk as "Click and Clack", address the controversial issue of ethanol efficacy. According to a listener's letter,131,000 British thermal units (BTU) are needed to produce a gallon of ethanol. However, that gallon only produces 77,000 BTU of energy. The listener wonders if the 54,000 BTU shortfall per gallon is truly cost-effective compared to gasoline. The Magliozzi's first point out the difficulty of calculating what constitutes the elements in producing the fuel. Scientists agree ... Read more →

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