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Ultra Low Sulfur Diesel (ULSD) fuel and new engines
and vehicles with advanced emissions control systems
offer significant air quality improvement.

Photo of someone pumping gas into their carspacer Highway ULSD Fuel
EPA standards have led to a major reduction in the sulfur
content of diesel fuels.
Highway Diesel
spacer Photo of congested trafficspacer New Diesel Technology
Ultra Low Sulfur Diesel (ULSD)
is a cleaner-burning diesel fuel
containing a maximum 15 parts-
per-million (ppm) sulfur.
Vehicle Performance
Photo of a trainspacer Non-Road ULSD Fuel
New EPA fuel standards for
diesel fuel also apply to
locomotive, marine and non-
road engines and equipment,
such as farm or construction
Non-Road Diesel
  Photo of two young girls playing in a swimming poolspacer Environmental Benefits
ULSD fuel along with new
engine and emission control
system technologies have
an important role in improving
air quality and providing human
health benefits by significantly
reducing current emissions.
Environment and Health

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