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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?


View More E15 and FFARs →

Diesel Sulfur Program

  • Section 80.600(a)(10) says, Any refiner or importer shall maintain copies of all product transfer documents required under §80.590. If all information required in paragraph (a)(6) of this section is on the product transfer document for a batch, then the p

  • 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

  • 6. Is commingling of different types of ethanol permitted? If so, what systems must be employed?


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Reformulated Gasoline & Anti-Dumping

  • How does PBATMA (40 CFR 80.47) apply to refiners and importers of “California gasoline” subject to the enforcement exemptions of 40 CFR 80.81?

  • What options for meeting the importer requirements are available to an importer who imports gasoline into the United States by truck? How does such an importer meet the every-batch sampling and testing requirements, since every truck (or truck compartment

  • How can a distributor meet the defense elements in the case of gasoline that is obtained from another distributor's terminal through an exchange agreement?


View More RFG & Anti-Dumping →

Registration

  • 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?

  • Is the licensed professional engineer conducting the engineering review required to perform the site visit in person, or can they delegate the site visit to another person who maybe assisting them in the engineering review?

  • 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?

  • If my fuel is already registered with the Fuels and Fuel Additives program under 40 CFR Part 79, do I still need to register with the RFS2 program under 40 CFR Part 80?


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Reporting

  • How should a party producing reformulated gasoline or RBOB make the designation of per gallon or average for the appropriate fuel parameters?

  • Regulation Section 80.1131(b)(4) states that, in the event that the same RIN is transferred to two or more parties, "all such RINs will be deemed to be invalid, unless EPA in its sole discretion determines that some portion of these RINS is valid." What’s

  • By our reading of the regulations, the only reporting required of the oxygenate blender who elects to comply with the oxygen standard on a per gallon basis is a yearly report due the last day of February of each year (beginning in 1996) that states the to


View More Reporting →

Registration & Reporting under 40 CFR 79

  • I am a new company. How do I register with the EPA?

  • Which fuels require registration?

  • Am I required to register E15?

  • When do I get an EPA assigned fuel ID/additive ID?

  • Which fuels are exempt?

  • How do I obtain an EPA assigned company ID?

  • Am I required to register biodiesel? How would I do that?


View More Registration & Reporting →

Renewable Fuel Standard (RFS1)

  • Does regulation Section 80.1128(a)(4) allow a marketer to change the K code from 1 to 2 and then not transfer the RIN with the renewable fuel as long as he sells the RINs to anyone by the end of the quarter?

  • What business activity should producers and marketers register under?

  • How can a marketer transfer RINs with a K code of 1 and fulfill the requirement that "No person may transfer a RIN that has a K code of 1 without transferring an appropriate volume of renewable fuel to the same person on the same day" ?


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

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

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


View More Renewable Fuel Standard (RFS2) →

Fuels Registration, Reporting, and Compliance Help

  • Registration
    • New Registrations
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    • Job Aids for Registration
    • Registration System Updates
  • Reporting
    • Who Must Report
    • Systems Information
    • Reporting Deadlines
    • Resubmitting or correcting reports
    • Job Aids for Reporting
    • Reporting System Updates
  • 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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