ROUSH CleanTech will begin offering propane autogas versions of Ford medium-duty vehicles equipped with the 6.8-liter V-8, following certification from the California Air Resources Board , the modifier announced. Under the certification, ROUSH can now convert 2012-2015 model year Ford E-450, F-450, F-550, F-650, F-53, and F-59 vehicles to run on propane autogas in all 50 states, making it easier for U.S. fleet operators to transition to this alternative fuel.
