(Gas Gallon Equivalent) or 86 GGE which would provide a range of approximately 400 to 800 miles. The truck is available in classes from 14,500 LBS to 19,500 LBS GVWR, and Greenkraft is also working on higher GVWR classes of 26,000 LBS and 33,000 LBS. Propane fuel provides great savings in the cost of fuel compared to gasoline or diesel. In some states, the difference is more than 50% savings which can help businesses save money instantly and directly from their daily operations.