Federal Register - December 30, 2021
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Source: Federal Register
Federal Register / Vol. 86, No. 248 / Thursday, December 30, 2021 / Rules and Regulations Where:
Pauto = total number of certified passenger automobiles the manufacturer produced in a given model year for sale in any state or territory of the United States.
Ptruck = total number of certified light trucks including MDPV the manufacturer produced in a given model year for sale in any state or territory of the United States.
annual g per mile equivalent value Where:
annual credits = a manufacturers total multiplier-based credits in a given model year from all passenger automobiles and light trucks as calculated under this paragraph c.
iii Calculate a cumulative g/mile equivalent value for the multiplierbased credits in 2022 through 2025 by adding the annual g/mile equivalent values calculated under paragraph c3ii of this section.
iv The cumulative g/mile equivalent value may not exceed 10.0 in any year.
v The annual credit report must include for every model year from 2022
through 2025, as applicable, the calculated values for the nominal annual credit cap in Mg and the cumulative g/mile equivalent value.
7. Revise the section heading for 86.186712 to read as follows:
74525
ii Calculate an annual g/mile equivalent value for the multiplierbased credits using the following equation, rounded to the nearest 0.1 g/
mile:
2_5 . annual credits CAP annual
86.186712 CO2 credits for reducing leakage of air conditioning refrigerant.
8. Amend 86.186912 by revising paragraphs b2 and b4v, vi, and x and d2iiA to read as follows:
86.186912 CO2 credits for off-cycle CO2
reducing technologies.
b
2 The maximum allowable decrease in the manufacturers combined passenger automobile and light truck fleet average CO2 emissions attributable to use of the default credit values in paragraph b1 of this section is 15 g/
mi for model years 2023 through 2026
and 10 g/mi in all other model years. If the total of the CO2 g/mi credit values from paragraph b1 of this section does not exceed 10 or 15 g/mi as
applicable for any passenger automobile or light truck in a manufacturers fleet, then the total offcycle credits may be calculated according to paragraph f of this section. If the total of the CO2 g/mi credit values from paragraph b1 of this section exceeds 10 or 15 g/mi as applicable for any passenger automobile or light truck in a manufacturers fleet, then the gram per mile decrease for the combined passenger automobile and light truck fleet must be determined according to paragraph b2ii of this section to determine whether the applicable limitation has been exceeded.
i Determine the gram per mile decrease for the combined passenger automobile and light truck fleet using the following formula:
Credits x 1,000,000
Decrease=--------------Prodc x 195,264 + ProdT x 225,865
Where:
Credits = The total of passenger automobile and light truck credits, in Megagrams, determined according to paragraph f of this section and limited to those credits accrued by using the default gram per mile values in paragraph b1 of this section.
ProdC = The number of passenger automobiles produced by the manufacturer and delivered for sale in the U.S.
ProdT = The number of light trucks produced by the manufacturer and delivered for sale in the U.S.
ii If the value determined in paragraph b2i of this section is
greater than 10 or 15 grams per mile as applicable, the total credits, in Megagrams, that may be accrued by a manufacturer using the default gram per mile values in paragraph b1 of this section shall be determined using the following formula:
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limitation should generally be done by reducing the amount of credits attributable to the vehicle category that caused the limit to be exceeded such that the total value does not exceed the value determined in paragraph b2ii of this section.
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v Active transmission warm-up means one of the following:
A Through model year 2022, active transmission warm-up means a system that uses waste heat from the vehicle to
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iii If the value determined in paragraph b2i of this section is not greater than 10 or 15 grams per mile as applicable, then the credits that may be accrued by a manufacturer using the default gram per mile values in paragraph b1 of this section do not
exceed the allowable limit, and total credits may be determined for each category of vehicles according to paragraph f of this section.
iv If the value determined in paragraph b2i of this section is greater than 10 or 15 grams per mile as applicable, then the combined passenger automobile and light truck credits, in Megagrams, that may be accrued using the calculations in paragraph f of this section must not exceed the value determined in paragraph b2ii of this section. This
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Where:
ProdC = The number of passenger automobiles produced by the manufacturer and delivered for sale in the U.S.
ProdT = The number of light trucks produced by the manufacturer and delivered for sale in the U.S.
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khammond on DSKJM1Z7X2PROD with RULES2
.
10 x Prodc x 195,264 + ProdT x 225,865
Credit Megagrams =
1 000 000
