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The fact remains that alternative fuels can greatly benefit our environment and national security, countries all over the world are realizing this and converting their vehicles to run on alternative fuels. Natural Gas has clearly risen to the forefront of the alternative fuels industry. More than 50% of all alternative fuel programs in the world today are dry-gas (natural gas & propane). The most common form of natural gas as a transportation fuel has been Compressed natural gas (CNG), and the big three U.S. auto manufacturers, GM, Ford and Chrysler, are currently producing vehicles that run on natural gas. CNG provides limited range between fill-ups and the containment vessels are large and heavy when compared with equal amounts of energy stored by petroleum fuels, which hinders natural gas as a viable transportation fuel in relation to other petroleum fuels.