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

Posted: 09 Jul 2012 11:05:47
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. We are reissuing the
note sent this morning to the ordiesel listserve, which had an
inadvertent formatting problem and some unclear wording.  We
apologize for any inconvenience. The corrected note is below.

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.  On-road
two-engine vehicles that meet both the following criteria are
subject to the Off-Road Regulation, and if not yet reported, must
be reported immediately or face enforcement action:
ē  Have a gross vehicular weight > 14,000 pounds; and 
ē  Have an auxiliary engine >= 50 brake horsepower that is
permanently attached and integrated into the design of the
vehicle. 

These requirements do not apply to two-engine on-road sweepers,
as those vehicles are subject to the On-Road Truck and Bus
Regulation, nor to vehicles that are subject to the Fleet Rule
for Public Agencies and Utilities.

All two-engine cranes and water well drilling rigs continue to be
subject to the Off-Road 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, designated 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 ARBís
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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