We have a 40' MH and tow a Jeep Liberty. As you diesel drivers know, diesel fuel loves water, and diesel fuel is warmer after a day of driving than first thing in the morning. The water in the tank comes from the air in the tank, so I fill up just before arriving at the campground. There have been times when Jo Ann has had to unhook the Jeep and move it elsewhere.
If/when we switch to a diesel PU and Airstream the plan will be a little different. We'll go to the campground, get the coach set up, and then I'll drive back to get fuel.
David Lininger, kb0zke
Heartland mpg 181 (sold)
1993 Foretravel U300 (for sale)