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Diesel engines have been and will likely continue to be a vital
workhorse of our economy, powering large trucks, busses, farm, railroad,
marine and construction equipment. However, diesel engine exhaust
contains harmful pollutants in a complex mixture of gases and particulates.
We are all potentially exposed to pollution from diesel vehicles.
Reducing pollution from heavy-duty trucks and buses is part of the
nation's clear air plan. Steps are being taken in Pennsylvania and
nationwide to make this equipment less polluting.
Retrofit Your Fleet
Diesel Retrofit Information
Technology, funding and fleets that are moving
ahead!
Reduce Idling
Diesel Idling Information
Trucks and buses waste fuel and create emissions
from unnecessary idling. Improved management and technology can
cut unnecessary idling.
Local Initiatives
A coalition of diverse partners with a mutual interest in reducing air pollution from diesel engines in the greater Philadelphia area.
Reducing Pollution from Diesel Engines in Pittsburgh
Yesterday, Today and for the Future
COME CELEBRATE PITTSBURGH’S PROGRESS TO REDUCE DIESEL EMISSIONS and
CHART OUR NEXT STEPS TO REDUCE DIESEL POLLUTION
Regional Initiatives
The Mid-Atlantic Regional Air Management Association (MARAMA) and U.S. EPA Region III have established the Mid-Atlantic Diesel Collaborative, a new regional effort to reduce diesel related emissions. Pennsylvania invites the participation of fleet operators of all kinds, local governments, equipment vendors and distributors and others interested in reducing diesel emissions.
Regulatory Information
Federal
Rules have been developed by EPA for the first phase of a two-part
strategy to significantly reduce harmful diesel emissions from
heavy-duty trucks and buses, as well as, new quality requirements
for diesel fuel to enable the use of a new generation of emission
control technologies for diesel engines.
 EPA
Program Information for:
Diesel
Highway Vehicles
Nonroad
Diesel Vehicles
Clean Diesel Fuel Alliance
State
Pennsylvania requires heavy-duty highway diesel engines sold in
the Commonwealth to have California Certification. This is applicable
to model year 2005 and subsequent model years.
Frequently Asked Questions
Pa.
Regulation
Diesel Truck Smoke Testing
Diesel Truck Smoke Testing in Pa.
Air Quality staff piloted smoke opacity testing
as part of the eight-state Trashnet program; a joint effort by
state police, public utility commissions, highway departments
and other agencies to address numerous municipal waste issues.
Smoke
Testing in Other States
Go to the Diesel Technology Forum website.
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