Fontaine, North America’s most comprehensive provider of truck modification services, will perform the installations at its modification centers across the United States.

Mainstay manufactures complete CNG fuel storage and delivery systems for Class 6, 7, and 8 heavy-duty trucks. Back-of-cab or side-saddle configurations are available from 30-220 DGE (diesel gallone equivalent) to meet various fleet range requirements.

Mainstay Fuel Technologies designs, engineers and manufactures critical components used in vehicular CNG-powered fuel systems. Since 2006, the Company has produced and sold more than 4,000 units/systems for medium and heavy duty commercial vehicles.

Fontaine is a Marmon Highway Technologies (MHT) company. MHT companies are members of The Marmon Group, an international association of business units that operate independently within diverse business sectors. The Marmon Group is a Berkshire Hathaway Company.