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SIGMA 2019 Share GroupsSept 10-13, 2019
San Antonio, TX

SIGMA Annual ConferenceNovember 4-6, 2019
Austin, TX

SIGMA Executive Leadership ConferenceFebruary 2-4, 2020
Vail, CO

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Trump Administration Revokes California’s Clean Air Act Waiver

September 20, 2019

On September 19th, EPA and the National Highway Traffic Administration (NHTSA) issued a final rule revoking California’s Clean Air Act waiver that allows the state to set more stringent limits on vehicle emissions than federal standards. The rule does not affect California’s ability to set and enforce more stringent regulations to combat smog.

SIGMA: America's Leading Fuel Marketers is the national trade association representing fuel marketers and convenience store chain retailers in the United States and Canada. Our approximately 260 corporate members command nearly 50 percent of the petroleum retail market, selling approximately 80 billion gallons of motor fuel each year.