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GAO Publishes Report On RFS’ Impact On Gasoline Prices And GHG Emissions
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By Lynn L. Bergeson

On June 3, 2019, the U.S. Government Accountability Office (GAO) released a report to the U.S. Senate on the Renewable Fuel Standard’s (RFS) program effects on gas prices and greenhouse gas (GHG) emissions. Titled Renewable Fuel Standard: Information on Likely Program Effects on Gasoline Prices and Greenhouse Gas Emissions, the report suggests that increases in gas prices outside of the Midwest (which have now diminished) were associated with the nationwide RFS, and that variations in gas prices likely depended on state-by-state transport and storage of ethanol costs. In addition, price increases occurred in states that did not have the initial infrastructure to blend and store ethanol. Regarding GHG emissions, the report states that RFS has had a limited effect, if any. GAO provided two reasons for this limited effect: (1) RFS relies on conventional corn-starch ethanol, which has smaller potential to reduce GHG emissions; and (2) most corn-starch ethanol has been produced in plants that are exempt from emission reduction requirements. In addition, GAO reports concerns that RFS will not meet the GHG emissions reduction goals that it envisioned by 2020. Lastly, GAO reports that the renewable identification numbers (RIN) had a small effect on prices. EPA analysis identified areas of concern within RINs, which included possible fraud in the market, price volatility, and concerns about the impact they have on small refiners.

Tags: RFS, GHG