My wife, Jeanne my dog, Mustard and I have put over 27,000 miles on our 2017 Earthcruiser EXP in just over a year. The cost to run is as follows, on highway we get 13.5-15 mpg,off road about 10mpg, (slightly lower in the winter because of the diesel heat) about 1000-1200 miles per jug of DEF...