Engine Manufactures Association
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About the Truck Manufacturers Association®

In 2009, the former Truck Manufacturers Association (TMA) merged into and became a part of EMA. That's when EMA began doing business as the Truck and Engine Manufacturers Association. EMA carries on the legacy activities of the Truck Manufacturers Association through EMA's Heavy-Duty On-Highway Committee and various of its subcommittees.

  • In 1992 the Motor Vehicle Manufacturers Association restructured to focus on passenger car manufacturers and eliminated its Motor Truck Manufacturers Division
  • That year the heavy truck manufacturers -- Ford, International, Volvo-White, Mack, Freightliner, PACCAR - began discussions to establish a trade association
  • In 1995, the Truck Manufacturers Association (TMA) was established in Washington, D.C.
  • Later that year, the Truck Manufacturers Association hired Bill Leasure as Executive Director or TMA.
  • The Truck Manufacturers Association focused primarily on safety regulations affecting medium- and heavy-duty trucks.
  • In 2007 Congress passed the Energy Independence and Security Act that required the NHTSA to establish fuel economy standards for medium- and heavy-duty on-highway vehicles
  • At that time, the Truck Manufacturers Association members included Ford, GM, International, Isuzu, PACCAR, Volvo, Mack and Freightliner
  • With the advent of GHG/FE regulations, engines and vehicles would be regulated by the same agencies and under common regulations. Previously, all heavy-duty on-highway emission standards only regulated engines.
  • At that time, all Truck Manufacturers Association members where members of EMA
  • In 2008 the common members of EMA and TMA decided to merge TMA into EMA, while maintaining separate identities
  • In 2009, EMA began doing business as the Truck and Engine Manufacturers Association to avoid the misinterpretation that it was two associations. With the name change, the association maintained the initials EMA and modified its logo to include the word "truck"
  • To this day, the Truck Manufacturers Association's activities are carried on through EMA.


EMA Headquarters
333 West Wacker Drive
Suite 810
Chicago, IL 60606
Phone: (312) 929-1970
Fax: (312) 929-1975


Engine Manufactures Association

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