The manufacturer will introduce such a system on the E-Series line of vans and will be offering propane-fueled E-150, E-250 and E-350 starting with the first quarter of 2010, with the E-450 ...

According to Roush, use of the propane system will allow, in some cases, for fleet managers to save some $17,500 per van over a total vehicle life of 150,000 miles in terms of fuel. All the ...