Laws & Regulations
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Direct Final Rule: Modifications to Standards and Requirements for Reformulated and Conventional Gasoline Including Butane Blenders and Attest Engagements
This rule modifies the reformulated and conventional gasoline regulations to correct technical errors, clarify provisions and codify certain guidance previously issued by EPA in question and answer guidance documents.
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Extension of the Reformulated Gasoline Program to the Phoenix, Arizona Moderate Ozone Non-attainment Area
EPA is issuing a final rule today to revise the reformulated gasoline (RFG) regulations to include the Phoenix, Arizona moderate ozone nonattainment area in the federal RFG Program.
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General Procedures to Opt Out of the RFG Requirements.
EPA is issuing a final rule to provide criteria and procedures for states withvoluntary reformulated gasoline (RFG) programs to withdraw or opt-out areas from the federal RFG program.
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Volatility Regulations for Gasoline and Alcohol Blends
This page summarizes the final rule for Volatility Regulations for Gasoline and Alcohol Blends.
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Compliance Overview for Gasoline
EPA provides registration and reporting mechanisms to help stakeholders meet their obligations under the Fuels Program regulations and standards.
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State Winter Oxygenates
State winter oxygenate fuel program documents.
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Compliance Overview for Renewable Fuel Standard Program
EPA provides registration and reporting mechanisms to help stakeholders meet their obligations under the Fuels Program regulations and standards. EPA also provides compliance assistance tools.
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Renewable Identification Number (RIN) Analysis for Renewable Fuel Standard Program
EPA provides RFS program and RIN market analysis in this section of the website.
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EPA's Response to Petitions for Reconsideration of the 2013 Cellulosic Biofuel Standard
Letter from EPA Administrator to grant petitions for reconsideration filed by API and AFPM for the 2013 cellulosic biofuel standard are listed.
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Waste Separation Plans for Renewable Fuel Standard Program
Municipal solid waste derived feedstock may qualify as renewable biomass, and be used in renewable fuel production pathways authorized for generation of RINs.
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Learn About Renewable Fuel Standard
A hub page provides links to Renewable Fuel Standard Program's overview, annual standards and RIN transactions.
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Solazyme Response
EPA response to Solazyme request for a lifecycle analysis of greenhouse gas
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Renewable Fuel Standard Program (RFS1): Final Rule
EPA sets a statutory default standard that required that 2.78 percent of the gasoline sold or dispensed in calendar year 2006 be renewable fuel.
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Proposed Alternative RIN Retirement Schedule for Small Refineries
EPA proposes an alternative schedule for small refineries to demonstrate compliance with their 2020 RFS obligations.
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Quality Assurance Plans under the Renewable Fuel Standard Program
Quality Assurance Plan or (QAP) is a voluntary program where independent third-parties may audit and verify that RINs have been properly generated and are valid for compliance purposes. RINs verified under a QAP may be purchased by regulated parties.
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EPA and CARB Approve Emissions Fixes for Audi, Porsche, and VW Diesel 3.0 Liter Sport Utility Vehicles
EPA and CARB to Volkswagen approves emissions modifications for generations 2.1 SUV and 2.2 SUV of the 3.0 liter subject vehicles. (October 20, 2017)
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Washington County Lead District National Priority List (NPL) Superfund Sites: Furnace Creek, Old Mines, Potosi and Richwoods; Washington County, Missouri – Fact Sheet, June 2022
Site Update: Lead Testing and Cleanup Opportunity
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EPA-Approved Nonregulatory Provisions and Quasi-Regulatory Measures in the New Mexico SIP
EPA Approved Nonregulatory Provisions and Quasi-Regulatory Measures in the New Mexico SIP
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Washington SIP: EPA Approved Regulations (Table 7 - Puget Sound Clean Air Agency)
EPA approved regulations for the Puget Sound Clean Air Agency in Washington's air quality State Implementation Plan (SIP).
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Risk and Technology Review of the National Emissions Standards for Hazardous Air Pollutants
This page contains summary status information on the risk and technology review requirements for National Emission Standards for Hazardous air pollutants under the Clean Air Act.