Natural Gas is the new fuel. FEDEX, UPS, Waste Management and many other companies have or are in the process of converting all their vehicles to natural gas. The Ford F 350 pick up truck can be purchased to run on natural gas. The hybrid natural gas/ electric. Honda Civic has been around since 1998. Prices at refueling stations in the USA range from .85 to 2.80 dollars per GGE - Gasoline Gallon Equivalent.http://www.altfuelprices.com It appears that the wide range most likely could be the difference in price between CNG and LNG. Obviously, many of you are clueless about natural gas as a fuel.