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ordiesel -- ARB Off-Road Regulation: Two engine vehicles and labeling updates

Posted: 09 Jul 2012 09:14:42
Many diesel on-road vehicles with two-engines are subject to the
Off-Road Regulation and must be reported to the Air Resources
Board (ARB), and all vehicles subject to the regulation must be
labeled on both sides by January 1, 2013. Amendments to the
Off-Road Regulation approved in 2010 make both engines of many
on-road two-engine vehicles subject to the regulation. The
following two-engine vehicles and their engines are subject to
the Off-Road Regulation and should already have been reported to
ARB.  If not yet reported, they must be reported immediately or
face enforcement action:
 
•  Not already subject to the Fleet Rule for Public Agencies and
   Utilities; 
•  Not a two-engine on-road sweeper; 
•  Have a gross vehicular weight > 14,000 pounds; and 
•  Have an auxiliary engine ≥ 50 brake horsepower that is
   permanently attached and integrated into the design of the
   vehicle. 

All two-engine cranes and water well drilling rigs continue to be
subject to the regulation. More information on this requirement
is available at
http://www.arb.ca.gov/msprog/ordiesel/regadv/adv1202b.pdf. 

Effective January 1, 2013, all vehicles subject to the Off-Road
Regulation will be required to have both sides labeled with their
Equipment Identification Number (EIN). All vehicles newly
reported to ARB must now be labeled on both sides within 30 days
of receiving the EIN and all previously reported vehicles must be
labeled on both sides by January 1, 2013. For more information
about labeling on both sides of a vehicle or the off-road
regulation, visit the off-road regulation website at
http://www.arb.ca.gov/msprog/mailouts/msc1208/msc1208.pdf.

Also effective January 1, 2013, Captive Attainment Area Fleets
are required to label their vehicles with EINs that have white
lettering with a green background (rather than white on red). 
All Captive Attainment Area Fleets newly reported to ARB must now
be labeled on both sides within 30 days of receiving the EIN, and
all previously reported vehicles must be labeled on both sides by
January 1, 2013. Captive attainment area fleets are treated as
small fleets even if their total horsepower (hp) exceeds the
small fleet threshold of 2,500 hp.  More information about how
the labels must appear is available at
http://www.arb.ca.gov/msprog/ordiesel/faq/faq-labeling.pdf.

Background

The regulation for In-Use Off-Road Diesel Vehicles first became
effective under California law on June 15, 2008.  This regulation
is intended to reduce harmful emissions from diesel powered
construction and mining vehicles operating in California and
having propulsion engines that are 25 hp or greater.  Fleets were
required to initially report their off-road diesel vehicles to
ARB in 2009 via the Diesel Off-road On-line Reporting System
(DOORS).  In addition, fleet owners are currently subject to
restrictions on unnecessary idling, and will be subject to
accelerated replacement/repower requirements beginning January 1,
2014,

If you have any questions regarding off-road reporting, please
contact the DOORS hotline at (877) 59-DOORS (877-593-6677) or by
email at doors@arb.ca.gov.  For further information on ARB’s
diesel vehicle and equipment regulations, please call the
California Air Resources Board Diesel Hotline at
866-6DIESEL(866-634-3735).  For further information about the
off-road diesel vehicle regulation, please visit the off-road
regulation website at: http://www.arb.ca.gov/ordiesel.


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