HD-SFTP (g/mi) = 0.35·FTP + 0.28·HDSIM + 0.37·SC03
Where:
HDSIM = the appropriate driving schedule specified in paragraph (b)(1)(ii)(A) through (C) of this section.
Table 1 of § 86.1816-18 -Fully Phased-in Tier 3 HDV Exhaust Emission Standards
[Tg/mile]
HDV class | Fleet-average NMOG + NOX | PM | Formaldehyde | |
FTP | FTP | HD-SFTP | FTP | |
2b | 0.178 | 0.008 | 0.0101 | 0.006 |
3 | 0.247 | 0.010 | 0.007 | 0.006 |
1 For vehicles with a power-to-weight ratio at or below 0.024 hp/pound that are certified using the driving schedule described in paragraph (b)(1)(ii)(B) of this section, the HD-SFTP standard for PM is 0.007 g/mile instead of the value specified in the table.
Table 2 of § 86.1816-18 -Tier 3 Bin Standards-Class 2b
[g/mile]
FEL Name | NMOG + NOX | CO | ||
FTP (FEL) | HD-SFTP1 | FTP | HD-SFTP | |
Bin 250 | 0.250 | 0.800 | 6.4 | 22.0 |
Bin 200 | 0.200 | 0.800 | 4.2 | 22.0 |
Bin 170 | 0.170 | 0.450 | 4.2 | 12.0 |
Bin 150 | 0.150 | 0.450 | 3.2 | 12.0 |
Bin 02 | 0.000 | 0.000 | 0.0 | 0.0 |
1 Vehicles with a power-to-weight ratio at or below 0.024 hp/pound that are certified using the driving schedule described in paragraph (b)(1)(ii)(B) of this section, the following HD-SFTP bin standards for NMOG + NOX apply instead of those identified in the table: 0.350 g/mile for Bin 150 and Bin 170; and 0.550 g/mile for Bin 200 and Bin 250.
2 Vehicles certified to Bin 0 must also meet PM and formaldehyde standards of 0.000 g/mile instead of the standards specified in paragraph (b)(2) of this section.
Table 3 of § 86.1816-18 -Tier 3 Bin Standards-Class 3
[g/mile]
FEL Name | NMOG + NOX | CO | ||
FTP (FEL) | HD-SFTP | FTP | HD-SFTP | |
Bin 400 | 0.400 | 0.550 | 7.3 | 6.0 |
Bin 270 | 0.270 | 0.550 | 4.2 | 6.0 |
Bin 230 | 0.230 | 0.350 | 4.2 | 4.0 |
Bin 200 | 0.200 | 0.350 | 3.7 | 4.0 |
Bin 01 | 0.000 | 0.000 | 0.0 | 0.0 |
1 Vehicles certified to Bin 0 must also meet PM and formaldehyde standards of 0.000 g/mile instead of the standards specified in paragraph (b)(2) of this section.
PM phase-in index = 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.
Table 4 of § 86.1816-18 -Declining Fleet-Average FTP Emission Standards for NMOG + NOX
[g/mile]
Model Year | Class 2b | Class 3 |
20161 | 0.333 | 0.548 |
20171 | 0.310 | 0.508 |
2018 | 0.278 | 0.451 |
2019 | 0.253 | 0.400 |
2020 | 0.228 | 0.349 |
2021 | 0.203 | 0.298 |
2022 | 0.178 | 0.247 |
1 Fleet-average standards are shown for 2016 and 2017 for purposes of voluntary early compliance as described in paragraph (b)(11) of this section.
Table 5 of § 86.1816-18 -Transitional Tier 3 FTP Bin Standards
[g/mile]1
Class | FEL Name | NMOG + NOX | NOX2 | CO |
2b | Bin 395 | 0.395 | 0.2 | 6.4 |
Bin 340 | 0.340 | 0.2 | 6.4 | |
3 | Bin 630 | 0.630 | 0.4 | 7.3 |
Bin 570 | 0.570 | 0.4 | 7.3 |
1 Vehicles certified to Transitional Tier 3 FTP bins are not subject to HD-SFTP standards.
2 The NOX standard applies only for certification testing with emission-data vehicles.
Table 6 of § 86.1816-18 -Alternative Phase-In Schedule
Model Year | Class 2b | Class 3 | ||
PM (percent) | Other than PM (percent) | PM (percent) | Other than PM (percent) | |
2019 | 40 | 65 | 40 | 60 |
2020 | 70 | 77 | 70 | 73 |
2021 | 100 | 88 | 100 | 87 |
2022 | 100 | 100 | 100 | 100 |
Table 7 of § 86.1816-18 -Alternate In-use NMOG + NOX Standards
[g/mile]
Class | FEL name | FTP | HD-SFTP1 | |
2b | Bin 250 | 0.370 | 1.120 | |
Bin 200 | 0.300 | 1.120 | ||
Bin 170 | 0.250 | 0.630 | ||
Bin 150 | 0.220 | 0.630 | ||
3 | Bin 400 | 0.600 | 0.770 | |
Bin 270 | 0.400 | 0.770 | ||
Bin 230 | 0.340 | 0.490 | ||
Bin 200 | 0.300 | 0.490 |
1 For Class 2b vehicles with a power-to-weight ratio at or below 0.024 hp/pound that are certified to optional standards under paragraphs (b)(2) and (4) of this section, the following alternate in-use HD-SFTP standards for NMOG + NOX apply instead of those identified in the table: 0.490 g/mile for Bin 150 and Bin 170; and 0.770 g/mile for Bin 200 and Bin 250. Note that vehicles certified to transitional Tier 3 FTP bins are not subject to HD-SFTP standards.
Table 8 of § 86.1816-18 -Transitional Tier 4 Bin Standards-Class 2 b
[g/mile]
FEL name | NMOG+NO X | CO | ||
FTP (FEL) | HD-SFTP | FTP | HD-SFTP | |
Bin 125 | 0.125 | 0.125 | 3.2 | 12.0 |
Bin 100 | 0.100 | 0.100 | 3.2 | 12.0 |
Bin 85 | 0.085 | 0.085 | 3.2 | 12.0 |
Bin 75 | 0.075 | 0.075 | 3.2 | 12.0 |
Table 9 of § 86.1816-18 -Transitional Tier 4 Bin Standards-Class 3
[g/mile]
FEL name | NMOG+NO X | CO | ||
FTP (FEL) | HD-SFTP | FTP | HD-SFTP | |
Bin 170 | 0.170 | 0.170 | 3.7 | 4.0 |
Bin 150 | 0.150 | 0.150 | 3.7 | 4.0 |
Bin 125 | 0.125 | 0.125 | 3.7 | 4.0 |
Bin 100 | 0.100 | 0.100 | 3.7 | 4.0 |
Bin 85 | 0.085 | 0.085 | 3.7 | 4.0 |
Bin 75 | 0.075 | 0.075 | 3.7 | 4.0 |
40 C.F.R. §§86.1816-18