Propane is the alternative fuel that’s added to a diesel or gasoline engine in a product from LP Energy Systems, a small firm in La Conner, Wash. The device, called simply the Dual Fuel System, ...

A multi-state propane supplier is poised to introduce a dual-fuel system for Class 8 diesels that promises significant savings with a relatively modest investment in equipment and a payback in under ...

If fleets choose to refuel their propane autogas units on-site, they can have a permanent, private refueling station ...

CleanFUEL USA has begun full production of two prominent products powered by its Liquid Propane Injection system, the Freightliner Custom Chassis S2G medium-duty truck and the Thomas Built C2 school ...