Mon Mar 30, 2015 04:33 PM CDT

STREATOR, Ill. (DTN) -- Sens. Rand Paul, R-Ky., and Chuck Grassley, R-Iowa, on Monday introduced a bill in the U.S. Senate to reform the Environmental Protection Agency's Reid Vapor Pressure requirement.

EPA regulates RVP in conjunction with ozone emissions, with RVP a measurement of how quickly fuel evaporates into the atmosphere. RVP ratings are most stringent during the summer months when ambient temperatures are their highest.

Bill S. 889, the "Fuel Choice and Deregulation Act," would loosen those requirements for gasoline with ethanol above a 10% concentration rate by providing a one pound wavier that would allow for a summer ...

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