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ordiesel -- In-Use Off-Road Diesel Vehicle Regulation Fleet Average Calculator for Large Fleets Updated

Posted: 18 Mar 2014 13:34:57
The Fleet Average Calculator for large fleets and its
accompanying user guide have been updated.  The calculator now
includes all compliance years out to January 1, 2023, and it has
been updated with other new features to better aid large fleet
owners in planning out their compliance strategies. 
Additionally, the user guide has been updated to reflect the
changes to the calculator.

The Fleet Average Calculator is an Excel spreadsheet designed to
assist fleet owners in calculating their Fleet Average Index and
Fleet Average Targets, based on the equipment model year and hp
input.  The calculator allows fleets to experiment with different
turnover, repower, and retrofit strategies to plan for compliance
with the In-Use Off-Road Diesel Vehicle Regulation.

The fleet average calculator and its user guide are both
available at
The calculator may receive additional updates in the future.  If
you have any questions, comments, or other suggestions pertaining
to the calculator, please contact Kyle Goff by phone at (916)
323-1414, or by email at kgoff@arb.ca.gov. 


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 that
have propulsion engines that are 25 hp or greater.  Fleets were
required to initially report their off-road diesel vehicles to
ARB in 2009 via DOORS.  In addition, fleet owners are currently
subject to restrictions on unnecessary idling, and large fleets
will be subject to accelerated replacement/repower requirements
beginning July 1, 2014.

If you have any questions regarding the regulatory requirements,
please contact the DOORS hotline at (877) 59-DOORS (877-593-6677)
or by email at doors@arb.ca.gov.  For further information about
the off-road diesel vehicle regulation, please visit the off-road
regulation website at: http://www.arb.ca.gov/ordiesel.  For
further information on ARBís diesel vehicle and equipment
regulations, please visit the TruckStop website at

California is in a drought emergency.
Visit www.SaveOurH2O.org for water conservation tips.

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