California Code of Regulations › Title 13 - Motor Vehicles › Division 3 - Air Resources Board › Chapter 9 - Off-Road Vehicles and Engines Pollution Control Devices › Article 4.8 - In-Use off-Road Diesel-Fueled Fleets › Section 2449.1 - Performance Requirements

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
Each fleet must meet the fleet average requirements in this
					 section before January 1 of each year or demonstrate that it met the BACT
					 requirements as described in section
					 2449.1(b).
Each fleet must meet all applicable tier phase-out
					 requirements described in section
					 2449.1(c)
					 beginning January 1, 2024, and must meet the renewable diesel requirements
					 described in section
					 2449.1(f)
					 beginning January 1, 2024.
Captive attainment area fleets, and fleets owned by
					 non-profit training centers or low-population county local municipalities are
					 subject to the small fleet requirements, even if their total max hp exceeds
					 2,500 hp. Section
					 2449(d)(3)
					 describes requirements for fleets that change size.
(a)
Fleet Average
				  Requirements
For each compliance date, a fleet must demonstrate that its
					 fleet average index was less than or equal to the calculated fleet average
					 target rate.
The equation for calculating fleet average target rate is
					 below:
Fleet average target rate = [SUM of (max hp for each engine
					 in fleet multiplied by the target for each engine in fleet) for all engines in
					 fleet] divided by [SUM of (max hp) for all engines in fleet] where the target
					 in g/bhp-hr is shown in Tables 3 and 4 below. To find the target for each
					 engine, read the value for the appropriate row based on the compliance year and
					 the appropriate column based on the engine's max hp from Table 3 for medium and
					 large fleets, and Table 4 for small fleets.
The equation for calculating fleet average index is
					 below:
Fleet average index = [SUM of (max hp for each engine in
					 fleet multiplied by emission factor multiplied by the VDECS Factor for each
					 engine in fleet) for all engines in fleet] divided by [SUM of (max hp) for all
					 engines in fleet] where emission factor in g/bhp-hr is shown in Appendix A, and
					 the VDECS factor is shown in Table 2 below.
Table 2 -- VDECS Factor
VDECS
VDECS
								Factor
No VDECS Installed or Level 1 VDECS
1
Level 2 PM VDECS, not highest level
0.82
Level 2 PM VDECS, not highest level, with NOx
								Reduction
1 Minus (0.18 + (Verified Percent NOx Reduction
								Divided by 170))
Highest Level PM VDECS
0.7
Highest Level PM VDECS with NOx
								Reduction
1 Minus (0.3 + (Verified Percent NOx Reduction
								Divided by 170))
NOx Reduction only
1 Minus (Verified Percent NOx Reduction Divided by
								170)
(1)
Fleet Average Targets for Large and Medium Fleets
-- Table 3
				  shows the targets used to calculate the fleet average target rate for each
				  compliance date for large and medium fleets.
Table 3 -- Large and Medium Fleet Targets for Each
					 Max Hp Group For Use in Calculating Fleet Average Target Rates
					 [g/bhp-hr]
Compliance Date: January 1 of
							 Year
25-49 hp
50-74 hp
75-99 hp
100-174 hp
175-299 hp
300-599 hp
600-750 hp
>750 hp
2014 (Large Fleets Only)
5.8
6.5
7.1
6.4
6.2
5.9
6.1
7.2
2015 (Large Fleets Only)
5.6
6.2
6.7
6
5.8
5.5
5.6
6.8
2016 (Large Fleets Only)
5.3
5.8
6.2
5.5
5.3
5.1
5.2
6.5
2017
5.0
5.4
5.5
4.9
4.7
4.5
4.6
6.0
2018
4.7
5.0
4.8
4.3
4.1
4.0
4.0
5.5
2019
4.4
4.6
4.1
3.7
3.5
3.4
3.4
5.0
2020
4.1
4.2
3.4
3.1
2.9
2.8
2.9
4.5
2021
3.8
3.8
2.7
2.5
2.3
2.2
2.3
4.0
2022
3.5
3.4
2.0
1.9
1.7
1.7
1.7
3.5
2023
3.3
3.0
1.4
1.3
1.5
1.5
1.5
3.4
(2)
Fleet Average Targets for Small
				  Fleets
-- Table 4 shows the targets used to calculate the fleet
				  average target rate for each compliance date for small fleets.
Table 4 -- Small Fleet Targets for Each Max Hp Group
					 For Use in Calculating Fleet Average Target Rates [g/bhp-hr]
Compliance Date: January 1 of
							 Year
25-49 hp
50-74 hp
75-99 hp
100-174 hp
175-299 hp
300-599 hp
600-750 hp
>750 hp
2019
5.8
6.5
7.1
6.4
6.2
5.9
6.1
7.2
2020
5.6
6.2
6.7
6.0
5.8
5.5
5.6
6.8
2021
5.3
5.8
6.2
5.5
5.3
5.1
5.2
6.5
2022
5.0
5.4
5.5
4.9
4.7
4.5
4.6
6.0
2023
4.7
5.0
4.8
4.3
4.1
4.0
4.0
5.5
2024
4.4
4.6
4.1
3.7
3.5
3.4
3.4
5.0
2025
4.1
4.2
3.4
3.1
2.9
2.8
2.9
4.5
2026
3.8
3.8
2.7
2.5
2.3
2.2
2.3
4.0
2027
3.5
3.4
2.0
1.9
1.7
1.7
1.7
3.5
2028
3.3
3.0
1.4
1.3
1.5
1.5
1.5
3.5