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DME rebounding as alternative to diesel for trucks and cars

Published Friday, September 04, 2009

Several big players in the global car and truck market are rekindling an interest in dimethyl ether or “DME” as an alternative fuel, largely because it’s relatively cheap, requires very low injection pressures, and produces little pollution from combustion. “Although DME’s energy density is lower than diesel, the overall engine thermal efficiency is the same or higher,” explained Jim McCandless, CEO of Alternative Fuel Technologies, which designs and manufactures common rail and injection systems to handle DME in diesel engines. “DME also costs less than diesel on an equal energy basis; 1.8 gallons of DME ...

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