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Old 12-25-2013, 04:37 AM   #1 (permalink)
DIMS
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NG & Diesel make a 39% efficient engine

Super efficient combustion engine emits half the carbon dioxide

Super Efficient Combustion Engine Emits Half the Carbon Dioxide
ETH researchers redesigned the conventional diesel engine of a VW Golf to run on 90 percent natural gas. (Credit: Tobias Ott / ETH Zurich)

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