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Many owners use biodiesel in these vehicles and are VERY happy with the fuel economy. Another trick being used by owners to add to the fuel economy is to "propane-inject" the diesels. Diesels typically are burning off 25% of the fuel as the black smoke you often see coming from these vehicles. This is inefficient, and the number one reason many folks claim diesels are harmful to the environment. With propane injection the use of the diesel exceeds 95%. This is VERY CLEAN. Combine this with the higher fuel economy of the diesel (and biodiesel), and you suddenly have a larger vehicle (a Landcruiser LJ is close to the size of an Isuzu Trooper) with fuel economy better than a Subaru Forester...
Comments? Anyone use one of these vehicles?