State and federal legislation have mandated the use of clean burning fuels. "Clean fuels" include: compressed natural gas (CN6), ethanol, methanol, liquefied petroleum gas (LPG), electricity, and reformulated gasoline.

The Clean Air Amendments 1990 have created support for the rapid utilization of the compressed natural gas (CNG). Responsively, diverse occupations related to this industry are emerging.1  A coordinated infrastructure is vital to the successful promotion of clean fuels and synchronized endorsement of the law.

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