DEP: Connecticut's Diesel Reduction Initiatives
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Environmental Protection
79 Elm Street
Hartford, CT 06106-5127
 
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(860) 424-3000
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Connecticut's Diesel Reduction Initiatives

Connecticut communities, especially those in urban areas, suffer from sooty exhaust emitted by trucks, buses and other diesel engines that can make breathing difficult - particularly for children, the elderly and other sensitive groups.

Reducing diesel emissions is a DEP priority and we continue to move forward with a multi-faceted reduction strategy that includes mobile and stationary source applications because:

  • Diesel exhaust is a significant contributor to air pollution and has been classified as a probable human carcinogen by the Environmental Protection Agency (EPA). 
  • Diesel engines emit high levels of nitrogen oxides (NOx) and particulate matter (PM), and in addition, a complex mixture of gases many of which are known or suspected cancer causing agents. Diesel exhaust exacerbates asthma and causes inflammation of the airways. 
  • Emissions from diesel powered electricity generators used to meet peak energy demand usually occur on high ozone days. 
  • Diesel exhaust is an important contributor to airborne concentrations of fine particle pollution, especially in urban areas. 
{School Bus} Anti-Idling Efforts -Anti-idling programs provide a cost effective mechanism to improve air quality and reduce risk exposure from the potential health impacts of vehicle exhaust.
{Construction Equipment} Diesel Retrofits - Diesel retrofit technologies reduce air pollution from existing diesel equipment.  Retrofit efforts have focused on school buses, transit buses, construction equipment and trucks.
{Truck-stop Electrification} Truck-stop Electrification - Truck drivers typically idle their diesel engines to provide air-conditioning or heat  to keep the engine and fuel warm in cold weather.  Stationary idle-reduction projects involve switching idling heavy duty diesel trucks to electricity to reduce greenhouse gas emissions and local air pollution.

Content Last Updated on October 20, 2009






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