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Fontaine Modifications and Mainstay Fuel Technologies to Install CNG Systems

Mainstay Fuel Technologies and Fontaine Modification, a provider of truck modification services, have reached an agreement to provide a turnkey process for the delivery and installation of CNG fuel systems on Class 8 over-the-road tractors. Fontaine will install the back-of-cab and side-saddle CNG fuel storage, management and delivery systems manufactured by Mainstay. Fontaine will perform the installations at its modification centers across the U.S. 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 to 220 DGE to meet various range requirements. For more information about Mainstay, visit or call 864.655.6905, and for more information about Fontaine Modification, visit or call 800.366.8246.