Two of the leading producers of propane-injection systems for light-duty and medium-duty vehicles – Cleanfuel USA and Roush – have received Environmental Protection Agency (EPA) approval for their new-vehicle systems.
CleanFuel USA has introduced a new propane injection system for General Motor's 6.0-liter V8s. The GM small-block V8s are widely used in a vast array of both light and medium duty trucks, vans and buses.
From GM's push of E85 to BMW's recently alliance with TOTAL, it sometimes gets hard figuring which automaker is working with which oil company (aka 'fuel provider') to develop future alternative fuel/energy sources. Help comes from trade association Alliance of Automobile Manufacturers which provided the following major match-ups: