Diesel Fuel Pollution & Effects

What MassDEP is Doing

More About Diesel

  • Comparison of Diesel Fuel & Gasoline

    Most of the 4.6 million cars, trucks, buses and SUVs registered in Massachusetts are powered by internal combustion engines that run on petroleum-based fossil fuels.

  • About Reformulated Gasoline (RFG)

    The use of RFG has significantly reduced levels of smog and toxic air pollutants.

  • History of Diesel Fuel & Engines

    German engineer Rudolph Diesel patented the diesel engine in 1892. Brewer Adolphus Busch became the first commercial builder of diesel engines in the United States.