The California Air Resources Board (CARB) On-Road Heavy-Duty Diesel-Fueled Public and Utility Fleets regulation mandates Public Agency and utility vehicle owners reduce diesel particulate matter (PM) emissions from their affected vehicles through the application of Best Available Control Technology (BACT) on these vehicles by specified implementation dates. Implementation is phased-in by engine model year groups.
This regulation applies to any municipality or utility that owns, leases or operates on-road diesel-fueled heavy-duty vehicles with a 1960-2006 model year engine and a manufacturer's gross vehicle weight rating greater than 14,000 lbs.
The table below illustrates the regulation’s implementation schedule for a Municipal and Utility, 1960 to Newer Model-Year Engines.
| Group |
Engine Model-Years |
Percentage of Group
to Use Best Available
Control Technology |
Compliance Deadline,
as of December 31 |
| 1 |
1960 -1987 |
20
60
100 |
2007
2009
2011 |
| 2 |
1988 – 2002 |
20
60
100 |
2007
2009
2011 |
| 3 |
2003 - 2006 |
50
100 |
2009
2010 |
|
For more Information on the On-Road Heavy-Duty Diesel-Fueled Public and Utility Fleet Regulation and its special provisions for fleets located in a “Low-Population County” view the CARB pdf at: www.econixusa.com/CARB-public-fleet-rule-pdf.html
For more information on the CARB Fleet Rule please click here: www.econixusa.com/CARB-public-fleet-rule.htm
