As Amended: December 6, 2012 Date of Hearing: November 15, 20 12 1 State of California

AIR RESOURCES BOARD

CALIFORNIA EXHAUST EMISSION ST ANDARDS AND TEST PROCEDURES FOR
2004 AND SUBSEQUENT MODEL

HEAVY-DUTY OTTO-CYCLE ENGINES

Adopted: December 27, 2000 Amended: December 12, 2002 Amended: July 26, 2007 Amended: October 17, 2007 Amended: September 27, 2010 Amended: March 22, 2012 Amended: December 6, 2012

Note: The proposed amendments to this docum ent are shown in underline to indicate

additions and strikeout to indicate deleti ons compared to the test procedures as adopted March 22, 2012. [No change] indicate s proposed federal provisions that are also proposed for incorporation herein without change. Existing intervening text that is not amended in this rulemaking is indicated by “* * * *”.As Amended: December 6, 2012 Date of Hearing: November 15, 20 12 2 * * * *

CALIFORNIA EXHAUST EMISSION STANDARDS AND TEST
PROCEDURES FOR 2004 AND SUBSEQUENT MODEL

HEAVY-DUTY OTTO-CYCLE ENGINES

* * * *

Part I. GENERAL PROVISIONS FOR CERTIFICATION AND IN-USE

VERIFICATION OF EMISSIONS

Subpart A - General Provisions for Emission Regulations for 1977 and Later Model Year New Light-Duty Vehicles, Ligh t-Duty Trucks and Heavy-Duty Engines,

and for 1985 and Later Model Year New Gasoline-Fueled, Natural Gas-Fueled, Liquefied Petroleum Gas-Fueled and Me thanol-Fueled Heavy Duty Vehicles

* * * *

10. Emission standards for Otto-cycle heavy-duty engines and vehicles. [§86.xxx10]

* * * *As Amended: December 6, 2012 Date of Hearing: November 15, 20 12 3 B. California provisions

. 1. Exhaust emissions from new 2004 and later model year Otto-cycle medium- and heavy-duty engines, except for Otto-cycle medium- and heavy-duty engines subject to the alternat ive standards in 40 CFR §86.005-10 (f), shall not exceed:

California Emission Standards for 2004 and Subsequent Model Heavy-Duty Otto-Cycle Engines A
(in g/bhp-hr)

Model Year Emission Category NMHC + NOx NMHC NOx CO H HCHO PM

Standards for Heavy-Duty Otto-Cycle Engines Used In 2004 through 2019 2021 Model Medium-Duty Vehicles 8,501 to 10,000 pounds GVW B and 2004 and Subsequent Model Medium-Duty Vehicles 10,001 to 14,000 pounds GVW C

2004 ULEV 2.4 or 2.5 with

0.5 NMHC

cap D n/a n/a 14.4 0.05 n/a

SULEV 2.0 n/a n/a 7.2 0.025 n/a

2005 through

2007 F ULEV 1.0 D,F n/a n/a 14.4 0.05 n/a

SULEV 0.5 D,F n/a n/a 7.2 0.025 n/a

2008 and subsequent G ULEV n/a 0.14 F 0.20 F 14.4 0.01 0.01

SULEV n/a 0.07 F 0.10 F 7.2 0.005 0.005

Standards for Heavy-Duty O tto-Cycle Engines Used In Heavy-Duty Vehicles Over 14,000 pounds GVW

2004 n/a 2.4 or 2.5 with
0.5 NMHC

cap D n/a n/a 37.1 0.05 E n/a

2005 through

2007 F n/a 1.0 C,E n/a n/a 37.1 0.05 E n/a

2008 and subsequent G n/a n/a 0.14 F 0.20 E 14.4 0.01 0.01

* * * *

B For the 20202 and subsequent model years, medium-duty vehicles 8,501 to 10,000 pounds GVW must certify to the LEV III primary emission standards and test procedures for complete vehicles specified in section 1961.2, title 13, CCR.

* * * *As Amended: December 6, 2012 Date of Hearing: November 15, 20 12 4 2. Optional Standards for Complete and Incomplete Heavy-Duty

Vehicles. Manufacturers may request to group co mplete and incomplete heavy-duty vehicles into the same test group as vehicl es certifying to the LEV III exhaust emission standards and test procedures specified in ti tle 13, CCR, §1961.2, so long as those complete and incomplete heavy-duty Otto-cycle vehicles meet the most stringent LEV III standards to which any vehicle wit hin that test group certifies.

* * * *