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Air Pollution: Reliability of EPA's Mobile Source Emission Model Could Be Improved

RCED-90-138 Published: May 14, 1990. Publicly Released: Jun 18, 1990.
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Highlights

Pursuant to a congressional request, GAO examined the: (1) reliability of the Environmental Protection Agency's (EPA) mobile source emission factor model (MOBILE4); and (2) effect of budget constraints on MOBILE4 reliability.

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Air pollution controlBudget cutsFederal fundsstate relationsMathematical analysisMotor vehicle pollutionMotor vehicle pollution controlProjectionsTestingOzone