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Retrofitting today takes years of emissions out of the air
Diesel engines power the movement of goods, help construct our buildings, help build our roads, and carry millions of people each day. In the United States, approximately 94% of all freight is moved by diesel engines.
While the operational advantages of diesel are clear, diesel engines emit large amounts of nitrogen oxides and particulate matter, and toxic air pollutants.
EPA rules require that new diesel engines meet lower emission levels for on-road, heavy-duty engines and in 2011 for non-road equipment. The rules also require ultra-low sulfur diesel fuels for all on-road engines. However, the million-mile lifecycle of some diesel engines means it will take years, even decades to fully benefit from EPA’s new rules.
Retrofitting both on-road and non-road heavy-duty diesel engines now means the region can have cleaner, healthier air years before EPA’s national standards take effect.
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ADDITIONAL RESOURCES:Funding:
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