SFTP (g/mi) = 0.35 * FTP + 0.28 * US06 + 0.37 * SC03
Table 1 of § 86.1811-17 -Fully Phased-in Tier 3 Exhaust Emission Standards (g/mile)
NMOG + NOX | PM | CO | Formaldehyde | ||
FTP1 | SFTP | FTP | US06 | SFTP | FTP |
0.030 | 0.050 | 0.003 | 0.006 | 4.2 | 0.004 |
1 The fleet-average FTP emission standard for NMOG + NOX is 0.026 g/mile for LDV and LDT1 test groups certified to standards based on a useful life of 120,000 miles or 10 years in a given model year.
Table 2 of § 86.1811-17 -Tier 3 FTP Bin Standards
[g/mile]
FEL Name | NMOG + NOX FELs for low altitude | NMOG + NOX for high altitude | CO for low and high altitude |
Bin 160 | 0.160 | 0.160 | 4.2 |
Bin 125 | 0.125 | 0.160 | 2.1 |
Bin 70 | 0.070 | 0.105 | 1.7 |
Bin 50 | 0.050 | 0.070 | 1.7 |
Bin 30 | 0.030 | 0.050 | 1.0 |
Bin 20 | 0.020 | 0.030 | 1.0 |
Bin 0 | 0.000 | 0.000 | 0.0 |
PM phase-in index = 5 · APP2017 + 4 · APP2018 + 3 · APP2019 + 2 · APP2020 + APP2021
Where:
APP = The phase-in percentage of vehicles meeting the Tier 3 PM standards for the indicated model year, based on actual sales, as described in paragraph (b)(7)(i) of this section.
Table 3 of § 86.1811-17 -Declining Fleet-Average Tier 3 FTP Emission Standards for NMOG + NOX (g/mile)
Model year | LDV, LDT1-150,000 mile useful life1 | LDV, LDT1-120,000 mile useful life1 | LDT2, HLDT |
20172 | 0.086 | 0.073 | 0.101 |
2018 | 0.079 | 0.067 | 0.092 |
2019 | 0.072 | 0.061 | 0.083 |
2020 | 0.065 | 0.055 | 0.074 |
2021 | 0.058 | 0.049 | 0.065 |
2022 | 0.051 | 0.043 | 0.056 |
2023 | 0.044 | 0.037 | 0.047 |
2024 | 0.037 | 0.031 | 0.038 |
2025 | 0.030 | 0.026 | 0.030 |
1 Vehicles certified to standards based on a useful life of 120,000 miles may comply based on the fleet-average standard specified for 150,000 mile useful life in certain circumstances as specified in paragraph (b)(8)(iii)(A) of this section.
2 HLDT and MDPV must meet the Tier 3 standards starting with model year 2018.
Table 4 of § 86.1811-17 -Declining Fleet-Average Tier 3 SFTP Emission Standards
Model year | NMOG + NOX (g/mile) |
20171 | 0.103 |
2018 | 0.097 |
2019 | 0.090 |
2020 | 0.083 |
2021 | 0.077 |
2022 | 0.070 |
2023 | 0.063 |
2024 | 0.057 |
2025 | 0.050 |
1 HLDT and MDPV must meet the Tier 3 standards starting with model year 2018.
Table 5 of § 86.1811-17 -Fleet Average Cold Temperature NMHC Exhaust Emission Standards
Vehicle weight category | Cold temperature NMHC sales- weighted fleet average standard (g/mile) |
LDV and LLDT | 0.3 |
HLDT | 0.5 |
40 C.F.R. §§86.1811-17