Research & Fact Sheets
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GHG Benefits of 15% Ethanol (E15) Use in the United States
The EPA has allowed E15 blends to be used in 2001 and later passenger cars, passenger trucks, and light commercial trucks. Ethanol generates less greenhouse gases (GHG) on a lifecycle basis than...
Review of EPA’s Anti-backsliding Analysis
EPA released its Anti-backsliding Study for Renewable Fuels in May 2020. Along with the study, EPA released other supporting materials, including a Proposed Determination document. Upon performing an air quality analysis of...
California Multimedia Evaluation of E11-E15 Gasoline-Ethanol Blends
The California Health and Safety Code (CHSC) requires that a multimedia evaluation be conducted and reviewed by the California Environmental Policy Council (CEPC) before specifications for new motor fuels can be adopted...
Analysis on Potential Impacts of the RFS on Endangered Species
This memorandum supplements the analysis in our August 2019 report, “The RFS and Ethanol Production: Lack of Proven Impacts to Land and Water” (“Ramboll Report”), in which we analyzed potential environmental impacts...
The Impact of EPA’s Policies Regarding RVOs and SREs
I. The Purpose and Structure of the Renewable Fuel Standard The Renewable Fuel Standard (RFS) was designed to incentivize the replacement of fossil fuel gasoline and diesel with renewable biofuels. Each year,...
The RFS Reset: A Look at Corn Land Use and Conventional Ethanol Production
This report examines U.S. agricultural land use and crop production. It also examines how much additional corn and conventional ethanol could be produced if the historic trends for corn production and ethanol...
The RFS and Ethanol Production: Lack of Proven Impacts to Land and Water
This report was prepared by Ramboll for Growth Energy in anticipation of the United States Environmental Protection Agency (EPA) issuing proposed rulemaking on the Renewable Fuel Standard (RFS), commonly referred to as...
Review of EPA’s Analysis of the Emissions Impacts of Providing Regulatory Flexibility for E15
On March 21, 2019, the U.S. Environmental Protection Agency (EPA) published a Notice of Proposed Rulemaking addressing modifications to fuel regulations to provide flexibility for E15. The proposed flexibility for E15 blends...
A Life-Cycle Analysis of the Greenhouse Gas Emissions from Corn-Based Ethanol
This report has analyzed the current GHG profile of U.S. corn ethanol and two projected emissions profiles for 2022. The starting point is the GHG life-cycle analysis (LCA) done by the U.S....
Potential Increased Ethanol Sales through E85 for the 2019 RFS
This analysis was conducted to examine the feasibility of increasing ethanol consumption through E85 by an additional 0.38 bg by 2019, an annual rate that if continued through 2022 will increase ethanol...
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