1. Renewable hydrocarbon diesel formulation 1: Blends consisting solely of renewable hydrocarbon diesel at not less than 75 percent by volume, biodiesel, and CARB diesel, where the total biodiesel content of the blend does not exceed 20 percent by volume.

2. Renewable hydrocarbon diesel formulation 2: Blends consisting solely of renewable hydrocarbon diesel at not less than 55 percent by volume, biodiesel, and CARB diesel, where the total biodiesel content of the blend does not exceed 20 percent by volume.

1. The applicant shall initially submit a proposed test protocol to the Executive Officer. The proposed test protocol shall include:

2. Within 20 business days of receipt of a proposed test protocol, the Executive Officer shall advise the applicant in writing either that it is complete or that specified additional information is required to make it complete. Within 15 business days of submittal of additional information, the Executive Officer shall advise the applicant in writing either that the information submitted makes the proposed test protocol complete or that specified additional information is still required to make it complete. Within 20 business days after the proposed test protocol is deemed complete, the Executive Officer shall either approve the test protocol as consistent with (a)(2) of this appendix or advise the applicant in writing of the changes necessary to make the test protocol consistent with (a)(2) of this appendix. Any notification of approval of the test protocol shall include the name, telephone number, and address of the Executive Officer's designee to receive notifications pursuant to (a)(2)(F) of this appendix, and the address of the California Air Resources Board facility to which retained test fuel, additive, and blending component samples shall be shipped. After the test protocol has been approved by the Executive Officer, and before the beginning of any emissions testing, each emissions test facility shall ship to the California Air Resources Board retained samples of all test fuels, additives, and blending components, identical in composition and volume to the samples sent to the independent laboratory for analyses. The emission tests shall not be conducted until the Executive Officer has notified the applicant in writing that the retained samples have been received by the California Air Resources Board facility.

3. Upon completion of the tests, the applicant may submit an application for certification to the Executive Officer. The application shall include the approved test protocol, all of the test data, a copy of each complete test log prepared in accordance with (a)(2)(F) of this appendix, demonstrations that the candidate fuels meet the requirements for certification set forth in (a)(2)(C) of this appendix, verification reports by independent, state-licensed professional engineers describing the observation that they undertook and any ways in which the testing or blending deviated from the requirements of this appendix, and such other information as the Executive Officer may reasonably require.

4. Within 20 business days of receipt of an application, the Executive Officer shall advise the applicant in writing either that it is complete or that specified additional information is required to make it complete. Within 15 business days of submittal of additional information, the Executive Officer shall advise the applicant in writing either that the information submitted makes the application complete or that specified additional information is still required to make it complete. Within 20 business days after the application is deemed complete, the Executive Officer shall grant or deny the application. Any denial shall be accompanied by a written statement of the reasons for denial.

1. ADF formulation: The candidate fuels shall be the same fuel blendstock or fuel blend that the applicant is attempting to certify. Results of each analysis of the fuel blendstock or fuel blend for properties and composition by the independent laboratory shall be provided with the proposed test protocol. If the applicant is attempting to certify a fuel blend such as a biodiesel with a heightened fuel specification or biodiesel produced utilizing a specified production technology, that blend shall consist of the fuel blendstock blended to 20 percent with the Reference CARB Diesel for two emission tests and with the Designated Equivalent Limits Diesel for the third test. The applicant shall report all of the candidate fuel properties under (a)(2)(C) of this appendix for each candidate fuel sent by each emissions test facility to the independent laboratory.

2. Biodiesel additives: The candidate fuels shall be a mixture of the additive to be certified at the concentration specified by the applicant and the biodiesel additive certification fuel blendstock specified in (a)(2)(D) of this appendix. Results of each chemical analysis of the additive formulation by the independent laboratory shall be provided with the proposed test protocol. If the additive to be certified is meant to be used in B20 fuel blends, the candidate fuels shall be a mixture of the additive to be certified at the concentration specified by the applicant and the biodiesel additive certification fuel specified in (a)(2)(D) of this appendix blended to 20 volume percent biodiesel content with the Reference CARB Diesel for two emission tests and with the Designated Equivalent Limits Diesel for the third test. The applicant shall report all of the candidate fuel properties under (a)(2)(C) of this appendix for the certification fuel without the additive, and each candidate fuel sent by each emissions test facility to the independent laboratory.

1. The applicant shall report all of the properties listed below for each candidate fuel. Each candidate fuel shall be representative of the fuel that the applicant will produce commercially and shall not contain streams or feedstocks that will not be used in the commercial fuel that the applicant intends to sell. If the Executive Officer determines that a candidate fuel contains streams or feedstocks that will not be used in the commercial fuel, this will be grounds for rejection of the application.

2. The following documents are incorporated by reference:

1. The Reference CARB Diesel.

The Reference CARB Diesel used in the comparative testing described in (a)(2)(F) of this appendix shall be produced from straight-run California diesel fuel by a hydrodearomatization process and shall have the characteristics set forth below under “Reference CARB Diesel Specifications” (the listed ASTM methods are incorporated herein by reference):

2. The Designated Equivalent Limits Diesel.

1. Exhaust emission tests using each candidate fuel and each Diesel Test Fuel shall be conducted in accordance with the “California Exhaust Emission Standards and Test Procedures for 2004 and Subsequent Model Heavy-Duty Diesel-Engines and Vehicles,” as incorporated by reference in CCR, title 13, section 1956.8(b). The tests shall be performed using 2004-2006 model-year, Cummins ISM370 engines having a nominal torque rating of 1450 ft-lb and a nominal power output of 360 to 380 hp, and produced between January 2004 and December 2006, inclusive, or, if the Executive Officer determines that the 2004-2006 Cummins ISM370 is no longer representative of the pre-2007 model-year, heavy duty diesel engine fleet, another engine model found by the Executive Officer to be representative of such engines.

2. The comparative testing shall be conducted at two emissions test facilities, one using Reference CARB Diesel and one using both Reference CARB Diesel and Designated Equivalent Limits Diesel in separate tests. If the testing uses an engine as described in (a) below, the testing may occur at a single emissions test facility using Reference CARB Diesel and Designated Equivalent Limits Diesel. All testing must be observed by independent parties that are mutually agreed upon by the Executive Officer and the applicant. The testing at each test facility shall be observed by and verified by an independent, state-licensed professional engineer. The applicant shall be responsible for all costs of the comparative testing.

3. For each comparative test, the applicant shall use one of the following test sequences:

4. The applicant shall submit test schedules to the Executive Officer at least one week prior to commencement of the tests. The test schedules shall identify the days on which the tests will be conducted, and shall provide for conducting the tests consecutively without substantial interruptions other than those resulting from the normal hours of operations at the test facilities. The Executive Officer shall be permitted to observe any tests. The parties conducting the testing shall maintain test logs which identify all tests conducted, all engine mapping procedures, all physical modifications to or operational tests of the engines, all recalibrations or other changes to the test instruments, and all interruptions between tests and the reason for each such interruption. The parties conducting the tests or the applicant shall notify the Executive Officer by telephone and in writing of any unscheduled interruption resulting in a test delay of 48 hours or more, and of the reason for such delay. Prior to restarting the test, the applicant or person conducting the tests shall provide the Executive Officer with a revised schedule for the remaining tests. All tests conducted in accordance with the test schedule, other than any tests rejected in accordance with an outlier identification and exclusion procedure included in the approved test protocol, shall be included in the comparison of emissions pursuant to (a)(2)(G) of this appendix.

5. In each test of a fuel, exhaust emissions of oxides of nitrogen (NOx) and particulate matter (PM) shall be measured.

1. The average NOx emissions during testing with a candidate fuel that contains renewable hydrocarbon diesel demonstrate at least a two percent reduction relative to the average NOx emissions during testing with the Diesel Test Fuel.

2. The average NOx emissions during testing with a candidate fuel that does not contain renewable hydrocarbon diesel do not exceed the average NOx emissions during testing with the Diesel Test Fuel.

3. The average PM emissions during testing with the candidate fuel do not exceed the average PM emissions during testing with the Diesel Test Fuel.

4. Use of any additive identified pursuant to (a)(2)(B) of this appendix in heavy-duty engines will not increase emissions of noxious or toxic substances which would not be emitted by such engines operating without the additive. In addition, cellular tests on the particulate emissions from heavy-duty engines will not show greater harm for mutagenicity, inflammation, DNA damage, or oxidative stress with the use of any such additive than would occur with such engines operating without the additive.

5. In order for the determinations of (a)(2)(G) of this appendix to be made, for each referenced pollutant the candidate fuel shall satisfy the following relationship:

1. The Executive Officer may review and, for good cause, modify or revoke an Executive Order issued pursuant to this appendix. Good cause includes emissions testing showing that the certified additive or ADF formulation does not meet the emissions equivalence criteria under (a)(2)(G) of this appendix or failure to comply with any requirement of this appendix. The Executive Officer may not revoke or modify an Executive Order without affording the entity to whom the Executive Order was issued the opportunity to submit, within 20 days of notification of a determination that such good cause exists, any information that it wants the Executive Officer to consider. Within 50 days after making an initial determination of good cause, the Executive Officer shall make a final determination based on available information regarding whether or not emissions equivalence has been demonstrated pursuant to regulatory requirements, and whether any other requirement of this appendix has not been met, and finalize any appropriate revocation or modification. Modifications to the order may include additional specifications or conditions, or a provision making the order inapplicable to specified biodiesel fuel producers.

2. To revoke or modify a certified Executive Order, the Executive Officer will issue a notice of determination of cause to revoke or modify. Once the notice of determination is issued, the entity to whom the Executive Order was issued may be required to discontinue distribution of their certified additive or ADF formulation, and accordingly notify all companies to which they have provided the certified additive or ADF formulation in the last six months of CARB's notice of intent to revoke or modify. At any time, an entity to whom an Executive Order is issued pursuant to this appendix may request to withdraw their Executive Order by providing written notice to the Executive Officer requesting such withdrawal.