Two of the leading producers of propane-injection systems for light-duty and medium-duty vehicles – Cleanfuel USA and Roush – have received Environmental Protection Agency (EPA) approval for their new-vehicle systems.
Liquid Propane Injec...
In some countries, LPG (liquified propane gas) is an increasingly common fuel for automobiles due to its comparatively low cost and 15-20 percent lower emissions compared to gasoline or diesel fuel. Though some are against the practice, a few governments encourage the use of LPG through lowered taxes. In America, propane for automotive use is usually limited to large fleets, where the specialized pumping equipment can be cost effectively purchased. As we mentioned before, Roush has decided to ta
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