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Fuels and Fuel Additives

Fuel Pathway Petitions: Approved Fuels & Feedstocks

For a full description of applicable RFS2 regulations, please see the Code of Federal Regulations, Title 40, Part 80, Subpart M at http://www.ecfr.gov/cgi-bin/text-idx?c=ecfr&tpl=/ecfrbrowse/Title40/40cfr80_main_02.tpl

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Generally Applicable Pathways

Table 1 to § 80.1426—Applicable D Codes for Each Fuel Pathway for Use in Generating RINs
  Fuel type Feedstock Production process requirements D-Code
A

Ethanol

Corn starch

All of the following:
Dry mill process, using natural gas, biomass, or biogas for process energy and at least two advanced technologies from Table 2 to this section

6 (renewable)
B

Ethanol

Corn starch

All of the following:
Dry mill process, using natural gas, biomass, or biogas for process energy and at least one of the advanced technologies from Table 2 to this section plus drying no more than 65% of the distillers grains with solubles it markets annually

6 (renewable)

C

Ethanol

Corn starch

All of the following:
Dry mill process, using natural gas, biomass, or biogas for process energy and drying no more than 50% of the distillers grains with solubles it markets annually

6 (renewable)
D

Ethanol

Corn starch

Wet mill process using biomass or biogas for process energy

6 (renewable)
E

Ethanol

Starches from crop residue and annual covercrops

Fermentation using natural gas, biomass, or biogas for process energy

6 (renewable)
F

Biodiesel, renewable diesel, jet fuel and heating oil

Soy bean oil;
Oil from annual covercrops;
Algal oil;
Biogenic waste oils/fats/greases;
Non-food grade corn oil;
Camelina sativa oil

One of the following:
Trans-Esterification
Hydrotreating
Excluding processes that co-process renewable biomass and petroleum

4 (biomass-based diesel)
G

Biodiesel, heating oil

Canola/Rapeseed oil

Trans-Esterification using natural gas or biomass for process energy

4 (biomass-based diesel)

H

Biodiesel, renewable diesel, jet fuel and heating oil

Soy bean oil;
Oil from annual covercrops;
Algal oil;
Biogenic waste oils/fats/greases;
Non-food grade corn oil; Camelina sativa oil

One of the following:
Trans-Esterification
Hydrotreating
Includes only processes that co-process renewable biomass and petroleum

5 (advanced)

I Naphtha, LPG Camelina sativa oil Hydrotreating 5 (advanced)
J

Ethanol

Sugarcane

Fermentation

5 (advanced)

K

Ethanol

Crop residue, slash, pre-commercial thinnings and tree residue, switchgrass, miscanthus ,energy cane, Arundo donax, Pennisetum purpureum, and separated yard waste; biogenic components of separated MSW; cellulosic components of separated food waste; and cellulosic components of annual covercrops.

Any process that converts cellulosic biomass to fuel.

3 (cellulosic biofuel)

L

Cellulosic diesel, jet fuel and heating oil

Crop residue, slash, pre-commercial thinnings and tree residue, switchgrass, miscanthus, energy cane, Arundo donax, Pennisetum purpureum, and separated yard waste; biogenic components of separated MSW; cellulosic components of separated food waste; and cellulosic components of annual covercrops.

Any process that converts cellulosic biomass to fuel.

7 (cellulosic biofuel or biomass-based diesel)

M Renewable gasoline and renewable gasoline blendstock. Crop residue, slash, pre-commercial thinnings, tree residue, and separated yard waste; biogenic components of separated MSW; cellulosic components of separated food waste; and cellulosic components of annual cover crops. Catalytic Pyrolysis and Upgrading, Gasification and Upgrading, Thermo-Catalytic Hydrodeoxygenation and Upgrading, Direct Biological Conversion, Biological Conversion and Upgrading utilizing natural gas, biogas, and/or biomass as the only process energy sources providing that process used converts cellulosic biomass to fuel; any process utilizing biogas and/or biomass as the only process energy sources which converts cellulosic biomass to fuel. 3 (cellulosic biofuel)
N Naphtha Switchgrass, miscanthus, energy cane, Arundo donax, and Pennisetum purpureum Gasification and upgrading processes that converts cellulosic biomass to fuel. 3 (cellulosic biofuel)
O Butanol

Corn starch

Fermentation; dry mill using natural gas, biomass, or biogas for process energy

6 (renewable)

P

Ethanol, renewable diesel, jet fuel, heating oil, and naphtha

The non-cellulosic portions of separated food waste and non-cellulosic components of annual cover crops.

Any

5 (advanced)
Q

Renewable Compressed Natural Gas, Renewable Liquefied Natural Gas, Renewable Electricity.

Biogas from landfills, municipal wastewater treatment facility digesters, agricultural digesters, and separated MSW digesters; and biogas from the cellulosic components of biomass processed in other waste digesters.

Any

3 (cellulosic biofuel)
R

Ethanol

Grain Sorghum

Dry mill process using biogas from landfills, waste treatment plants, and/or waste digesters, and/or natural gas, for process energy

6 (renewable)

S

Ethanol

Grain Sorghum

Dry mill process, using only biogas from landfills, waste treatment plants, and/or waste digesters for process energy and for on-site production of all electricity used at the site other than up to 0.15 kWh of electricity from the grid per gallon of ethanol produced, calculated on a per batch basis

5 (advanced)
T Renewable Compressed Natural Gas, Renewable Liquefied Natural Gas, and Renewable Electricity. Biogas from waste digesters Any 5 (advanced)

 

Table 2 to § 80.1426—Advanced Technologies
Corn oil fractionation that is applied to at least 90% of the corn used to produce ethanol on a calendar year basis.
Corn oil extraction that is applied to the whole stillage and/or derivatives of whole stillage and results in recovery of corn oil at an annual average rate equal to or greater than 1.33 pounds oil per bushel of corn processed into ethanol.
Membrane separation in which at least 90% of ethanol dehydration is carried out using a hydrophilic membrane on a calendar year basis.
Raw starch hydrolysis that is used for at least 90% of starch hydrolysis used to produce ethanol instead of hydrolysis using a traditional high heat cooking process, calculated on a calendar year basis.
Combined heat and power such that, on a calendar year basis, at least 90% of the thermal energy associated with ethanol production (including thermal energy produced at the facility and that which is derived from an off-site waste heat supplier), exclusive of any thermal energy used for the drying of distillers grains and solubles, is used to produce electricity prior to being used to meet the process heat requirements of the facility.

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Completed Pathway Assessments*

Company Fuel Feedstock D-Code Determination
Oberon Dimethyl ether Biogas from waste digesters 3 or 5 Approved (PDF) (13 pp, 4.05MB, August 2014)
Edeniq Ethanol Crop residue (corn kernel fiber) 3 Approved (PDF) (41 pp, 605K, July 2014)
Element Markets Renewable Compressed Natural Gas Biogas from waste digesters 3 or 5 Approved (PDF) (41 pp, 605K, July 2014)
DriveGreen Renewable Electricity Biogas from waste digesters 3 or 5 Approved (PDF) (41 pp, 605K, July 2014)
E-Energy Adams Ethanol Corn Starch 6 Approved (PDF) (18 pp, 770K, March 2014)
11 Good Energy Fatty Acid Ethyl Ester Soybean Oil 5 Approved (PDF) (24 pp, 783K, January 2014)
Marquis Renewable Energy-Wisconsin Ethanol Corn Starch 6 Approved (PDF) (18 pp, 213K, November 2013)
Valero Fort Dodge Ethanol Corn Starch 6 Approved (PDF) (2 pp, 809K, November 2013)
Guardian Energy Ethanol Corn Starch 6 Approved (PDF) (2 pp, 787K, November 2013)
Diamond Green Diesel, LLC Naphtha, LPG Non-food grade corn oil 5 Approved (PDF) (14 pp, 159K, October2013)
Valero Welcome Ethanol Corn Starch 6 Approved (PDF) (3 pp, 37K, July 2013)
Hankinson Renewable Energy, LLC Ethanol Corn Starch 6 Approved (PDF) (3 pp, 38K, July 2013)
Chemtex Group Cellulosic Biofuel New (Arundo donax) 3 or 7 Approved (PDF) (14 pp, 312K, July 2013)
BP Biofuels North America, LLC Ethanol, cellulosic diesel, jet fuel and heating oil; naphtha Energy cane and Napier grass 3 or 7 Approved (PDF) (28 pp, 2.90MB, March 2013)
Kior, Inc. Renewable gasoline and renewable gasoline blendstock Cellulosic biomass from crop residue, slash, pre-commercial thinnings, tree residue, annual cover crops; cellulosic components of separated yard waste; cellulosic components of separated food waste; and cellulosic components of separated MSW 3 Approved (PDF) (28 pp, 2.90MB, March 2013)
Sundrop Fuels, Inc. Renewable gasoline and renewable gasoline blendstock Cellulosic biomass from crop residue, slash, pre-commercial thinnings, tree residue, annual cover crops; cellulosic components of separated yard waste; cellulosic components of separated food waste; and cellulosic components of separated MSW 3 Approved (PDF) (28 pp, 2.90MB, March 2013)
Terrabon, Inc. Renewable gasoline and renewable gasoline blendstock Cellulosic biomass from crop residue, slash, pre-commercial thinnings, tree residue, annual cover crops; cellulosic components of separated yard waste; cellulosic components of separated food waste; and cellulosic components of separated MSW 3 Approved (PDF) (28 pp, 2.90MB, March 2013)
Sustainable Oils Biodiesel, renewable diesel, jet fuel, heating oil, naphtha, LPG Camelina sativa oil 4 or 5 Approved (PDF) (28 pp, 2.90MB, March 2013)
Dakota Spirit AgEnergy, LLC Ethanol Corn starch 6 Approved (PDF) (19 pp, 3.8MB, February 2013)
Absolute Energy, LLC Ethanol Corn starch 6 Approved (PDF) (15 pp, 2.8MB, February 2013)
Western Plains Ethanol Grain sorghum 5 Approved (PDF) (16 pp, 5.0MB, January 2013)
Sabine Biofuels II, LLC Biodiesel Biogenic waste oils/fats/greases 4 Approved (PDF) (11 pp, 430K, September 2012)
High Plains Bioenergy, LLC Biodiesel Biogenic waste oils/fats/greases 4 Approved (PDF) (14 pp, 4.16MB, February 2012)
Viesel Fuel, LLC Renewable diesel Soybean oil; Oil from annual cover crops; Algal oil; Biogenic waste oils/fats/greases; Non-food grade corn oil 4 Approved (PDF) (2 pp, 473K, September 2011)
Changing World Technologies, Inc. Renewable diesel Biogenic waste oils/fats/grease 4 Approved (PDF) (13 pp, 408K, June 2011)
Endicott Biofuels, LLC Biodiesel Soybean oil; Oil from annual cover crops; Algal oil; Biogenic waste oils/fats/greases; Non-food grade corn oil 4 Approved (PDF) (18 pp, 5.1MB, April 2011)
Global Energy Resources Renewable diesel Soybean oil; Oil from annual cover crops; Algal oil; Biogenic waste oils/fats/greases; Non-food grade corn oil 4 Approved (PDF) (16 pp, 4.0MB, April 2011)
Triton Energy, LLC Renewable diesel Soybean oil; Oil from annual cover crops; Algal oil; Biogenic waste oils/fats/greases; Non-food grade corn oil 4 Approved (PDF) (17 pp, 5.0MB, December 2010)
* See determination approval documents for more information about approved pathways

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Other Determinations

Company Request Determination
Permeate Refining Ethanol from factory byproducts. Letter (PDF) (2 pp, 164KB, April 2014)
Duonix Beatrice Eligibility of biodiesel made from non-food grade corn oil feedstock using proprietary transesterification process. Letter (PDF) (1 pg, 290KB, March 2014)
Absolute Energy, LLC Purchase of renewable energy certificates to reduce the greenhouse gas emissions factor associated with electricity used at facility. Letter (PDF) (1 pg, 284KB, May 2013)
White Energy Hereford, LLC Letter (PDF) (1 pg, 285KB, May 2013)

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