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onrdiesel -- Regulatory Advisory MSC Mail-Out 13-17 on Particulate Matter Filter Compliance Extension for Certain Types of Cranes

Posted: 17 Jul 2013 14:31:52
The Air Resources Board (ARB) has posted a regulatory advisory
that approves an extension for certain types of on-road cranes to
the compliance deadline for the Particulate Matter (PM) filter
requirements in the Truck and Bus regulation (regulation).   The
regulation allows that an extension to the PM filter requirements
can be granted if all available PM filters for a properly
operating engine are not compatible with the engine, do not fit
in available space, or cannot be safely operated on the vehicle. 
This extension remains in effect until January 1, 2018, or unless
circumstances regarding the extension change including, but not
limited to, PM filter feasibility and Occupational Safety and
Health Administration (OSHA) requirements.  For more information,
please see the advisory at:


ARB has adopted a number of regulations that require diesel
engine owners to reduce toxic air pollution emissions.  The Truck
and Bus regulation requires diesel truck and bus owners to take
steps to reduce their engine emissions. These regulations are
part of the State’s plan to meet federal ambient air quality
standards and to protect public health.  Between 2012 and 2023,
nearly all trucks and buses that operate in California with a
manufacturer’s gross vehicle weight rating greater than 14,000
pounds will need to upgrade to reduce exhaust emissions.  To
comply with these requirements, fleet owners may retrofit
existing engines by installing ARB verified diesel PM filters or
by upgrading to newer cleaner engines. The regulation text and
advisories are available at

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