State and federal legislation have mandated the use of clean burning fuels. "Clean fuels" include: compressed natural gas (CNG), 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. A coordinated infrastructure is vital to the successful promotion of clean fuels and synchronized endorsement of the law.


There are four laws that govern the utilization of alternative fuels within Texas:

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    Texas Senate Bill 740

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    Texas Senate Bill 769

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    Railroad Commission of Texas(Rules/regulations of Compressed Natural Gas (CNG) and Liquefied Petroleum Gas (LPG)

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    The Clean Air Act Amendments 1990

Texas Senate Bill 740, signed June 1989, is the result of the Clean Air Act of 1970. The Clean Air Act Amendments of 1990 (CAAA) will accelerate widespread use of alternative fuels and the development of dedicated and bifueled vehicles. Clean Air Act Amendments of 1990 have set the direction for national compliance through the year 2002. At that time these amendments will be re-valuated

Federal Regulations

The rules and regulations of the U.S. Department of Transportation (D.O.T.), American Society of Mechanical Engineers (A.S.M.E.), Underwriters Laboratory (U.L.), National Fire Protection Agency (N.F.P.A.), and Environmental Protection Agency (E.P.A.) governing the use of alternative fuels are in a state of flux. These regulations cover the manufacture, repair, and transportation of fuels as well as the safety, performance, efficiency and legality of the vehicles.

The CAAA also calls for a definition of reformulated gasoline and sets specific requirements for emissions reductions and performance standards. In 1995, refiners will be required to market only cleaner burning reformulated fuel in the nine nonattainment areas. The areas are Los Angeles, Baltimore, New York City, Chicago, Houston, Milwaukee, Muskegon, Philadelphia, and San Diego. The original Clean Air Act, passed in 1979 was written on 41 pages; now CAAA 1990 is over 600 pages.

Reductions of volatile organic compounds (VOCs) are required only in the summertime. By 1995 reformulated gasoline will be required to have 15 percent lower emissions. The emission reduction requirements for air toxins applies year round. Air toxins are defined as benzene, butadiene, polycyclic organic matter, formaldehyde, and acetaldehyde.

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