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F.A.Q.'S

Off-Road Regulation

In 2007 the Air Resources Board (ARB) adopted a regulation to reduce diesel particulate matter (PM) and oxides of nitrogen (NOx) emissions from in-use (existing) off-road heavy-duty diesel vehicles in California.Labeling & Reporting became effective in 2009 and in 2013 the EPA authorized the enforcement of this regulation.

Applicability

The rule applies to heavy-duty, off-road diesel equipment used in construction, mining and industrial operations.

Examples: wheel loaders, crawler tractors, dozers, motor graders, excavators, skid steers, backhoes, forklifts, airport ground support equipment.

The regulation is divided into small, medium, and large fleets.

Note: All entities are required to report their entire fleet inventory and annually update the California Air Resources Board on any fleet changes.

Fleet Ownership Total Fleet Horsepower
  < 2500 2501 - 5000 >5000
Small Business S M L
Business M M L
Municipality S M L
Federal Government L L L
State Government L L L

COMPLIANCE DEADLINES

The first compliance deadlines indicate that emission
targets (retrofits) must be met by these dates.

Large Fleets (over 5,000 hp) July 1, 2014(Past)
Medium Fleets (2,501 - 5,000 hp) January 1, 2017 (Upcoming!)
Small Fleets (2,500 hp or less) January 1, 2019

 


Online DOORS Reporting Tool

Welcome to TRUCRS!


CARB Link to the Off-Road Regulation Page


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