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  2. Fuels Registration, Reporting, and Compliance Help
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Frequent Questions about Fuels Registration, Reporting, and Compliance Help

View frequently asked questions and answers below by topic or go to the search page to see ALL questions.

E15 and Fuels & Fuel Additives (FFARs)

  • If I certify a nonroad flexible-fuel engine under 40 CFR Part 1054, are owners and operators prohibited from using gasoline-ethanol blended fuels containing greater than 10 volume percent ethanol under 80.1504(a)(1) in my nonroad flexible-fuel engine?


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Diesel Sulfur Program

  • A tank truck common carrier picks up a load of ULSD at a Shell terminal and delivers it to a Flying J truck stop. The carrier only provides a transportation service, does that carrier have any registration or reporting duties?

  • My company currently sells distillate blendstocks. Can we continue to sell blendstocks given the new regulations?


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Gasoline Sulfur Program

  • A refiner produces a batch of gasoline at its refinery. It collects a sample of the gasoline and conducts certification testing. The sulfur content test result is less than the 80 ppm refinery level standard. The gasoline is then moved to another tank wit

  • Footnote b of Table IV.C.-2 of the preamble is inconsistent with the regulations at § 80.216(f). The regulations clearly state that the corporate pool average standards do not apply if a refiner's production volume is mostly GPA gasoline. If the refiner/

  • What is the Tier 2 Vehicle & Gasoline Sulfur Program?


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Other

  • Please clarify whether oxygenates blended into either conventional gasoline or Reformulated Blendstock for Oxygenate Blending (RBOB) downstream of the refinery need to be included in sulfur compliance calculations.

  • It is our understanding that, if a portion of the gasoline produced by a refinery located within the GPA is sold outside of the United States, that gasoline is not subject to the sulfur standards and it only has to meet the standards of the country to whi

  • Is corn oil extracted from distiller?s grains and solubles (DGS) eligible for RINs under RFS2?


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Reformulated Gasoline & Anti-Dumping

  • Terminal blending of mid-grade gasoline (using a premium and regular mix) is common practice in the industry. We interpret that terminals engaging in this practice are not considered refiners under the regulations based on the comment "that the EPA believ

  • Which cities, including opt-in areas, are covered by this regulation and will have reformulated gasoline? What are the geographical boundaries of the covered areas? How many covered areas are there?

  • The petition process referred to in § 80.65(f)(4) references RFG. Will in-line blenders of RBOB also be allowed to become exempt from the independent sampling/testing requirements through EPA approval of a petition?


View More RFG & Anti-Dumping →

Registration

  • Will common carriers be required to register their transport trucks as oxygenate blending facilities?

  • Does EPA consider it a conflict of interest for a third-party company to assist a group of renewable fuel producers and importers of renewable fuel to help meet the requirements of the re-registration and engineering review pursuant to section 80.1450?

  • Once I register my fuel for the RFS2 program under §80.1450, do I still need to register my fuel under 40 CFR Part 79?

  • Under "Business Activities" on the Company Details CDX web page, what does "Small Blender" mean?


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Reporting

  • I haven't seen a reference to the EPA CDX system. Is the CDX system already established or can we submit reports in our choice of electronic formats?

  • When reporting compliance parameters to EPA on the batch reports we are asked to report to a greater degree of precision than the regulations indicate for the standard. An example would be that the per-gallon oxygen content standard is supposed to be 2.0

  • Question 14, Section VI.C., of the July 1, 1994 Question and Answer Document provides an example of the creation and addition of two different batches to form a composite mixture. All or a portion of this composite is shipped as RFG. How will the refinery


View More Reporting →

Registration & Reporting under 40 CFR 79

  • I have already registered my fuel and/or additive. What are my ongoing obligations?

  • We are a marketer of ethanol products. Sometimes personnel at ethanol plants make mistakes as to the number of gallons being loaded or produced. How do we "recall" erroneous RINs if the number of gallons we receive exceeds the number of RINs?

  • What is the small business exemption and how do I know if I qualify?

  • How do I submit forms to EPA?

  • Am I required to contribute to health effects testing? If so, what are my obligations?

  • How long will it take me to complete the forms?

  • Which fuels require registration?


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Renewable Fuel Standard (RFS1)

  • Who reports expired RINs?

  • We are a producer of ethanol. If we have 10,000 gallons in inventory on September 1, 2007 and 25,000 came from our production facility A, 25,000 came from our production facility B, and the other 50,000 we own but received from various other producers, ho

  • We are importers who import ethanol without denaturant, but with the intent to use it as motor fuel. When the RIN is generated, we maintain ownership of the ethanol, but we do not have custody and we do not add the denaturant. Would we include our company


View More Renewable Fuel Standard (RFS1) →

Renewable Fuel Standard (RFS2)

  • Where can I find more information on biofuel subsidies?

  • For a transfer in ownership of a volume of renewable fuel, may a party include the applicable product transfer document (PTD) language required at §80.1453(a)(12) on an accompanying PTD for RINs assigned to that renewable fuel as described in §80.1453(a

  • Will current canola based biodiesel production fall under the grandfathering provisions of the RFS2 regulations?

  • How do I find a listing of all obligated parties pertaining to the new RFS2 Program?


View More Renewable Fuel Standard (RFS2) →

Fuels Registration, Reporting, and Compliance Help

  • Registration
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  • Reporting
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  • Public Data & Registration Lists
    • Gasoline Programs
    • Part 79 Registered Fuels & Fuel Additives
    • Part 80 Registered Companies & Facilities
    • Renewable Fuel Standard
  • Help
    • Searchable Help Index
    • Fuels Program Frequent Questions
Contact Us about Fuels Registration, Reporting, and Compliance Help
Contact Us about Fuels Registration, Reporting, and Compliance Help to ask a question, provide feedback, or report a problem.
Last updated on August 19, 2025
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