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By March 1, 2012, large fleets (those with off-road vehicles
totaling over 5,000 horsepower and state and federal fleets) are
required to submit a Responsible Official Affirmation of
Reporting (ROAR) to ARB. The ROAR is a signed statement affirming
that the information reported is accurate.  Beginning in 2012 for
large fleets, 2016 for medium fleets, and 2018 for small fleets,
the off-road regulation requires fleets to annually update and
affirm their reporting information.  

In addition to the ROAR, the annual update must include reporting
of engine hour meter readings for low-use vehicles and vehicles
used for more than half their annual operating hours for
agricultural operations.  For more information on reporting
low-use vehicles, see the Low-Use Vehicles DOORS user guide at
http://www.arb.ca.gov/msprog/ordiesel/documents/doors/userguide-lowuse.pdf.
 The log for reporting hours for agricultural operations vehicles
is available at
http://www.arb.ca.gov/msprog/ordiesel/documents/doors/ag-hours-reporting-log.pdf
and within DOORS.

Also by March 1, 2012, nearly all on-road vehicles with two
diesel engines must be reported and are subject to the In-Use
Off-Road Diesel Vehicle regulation.  Further information
concerning this new requirement is at
http://www.arb.ca.gov/msprog/ordiesel/regadv/adv1202b.pdf.

Large fleets should read the guidance documents, and log into
your DOORS account and choose the buttons labeled "ROAR Forms" or
“Other Annual Reporting Forms” to report your information by
March 1.  FAQs, Guidance documents, and DOORS User Guides are
available in the Knowledge Center at
http://www.arb.ca.gov/msprog/ordiesel/knowcenter.htm.


Background

The Air Resources Board’s (ARB) regulation for In-Use Off-Road
Diesel Vehicles 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.  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
subject to restrictions on unnecessary idling and will be subject
to accelerated replacement/repower requirements.  In December
2011, major amendments to the Off-Road Diesel Vehicle Regulation,
which include delaying the first compliance date to no earlier
than January 1, 2014, became effective.

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.