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  • Not enacted
    The President has not signed this bill
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      senate Committees
      Senate Committee on Commerce, Science, and Transportation
    IntroducedJuly 24th, 2013

Bill Details

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Official Title

A bill to provide regulatory parity among alternative fuel vehicles, and for other purposes.


Modifies average vehicle fuel economy standards, with respect to alternative fuel automobiles, by: excepting natural gas automobiles from maximum fuel economy increase requirements for model years 1993 through 2019 and from minimum driving range requirements for dual fueled automobiles; allowing inclusion in an alternative fuel vehicle of a reserve gasoline tank for incidental or emergency use; requiring reasonably comparable energy efficiency, as compared to a gasoline- or diesel fuel-vehicle (under current law, "equal or superior energy efficiency"); and revising the formula for measuring the fuel economy of a model of gaseous fuel dual fueled automobiles manufactured in models years 1993 through 2019, including by using the model's alternative fuel range as a base.

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