As a baseline, I've found I can pretty easily make 20mpg city, 28mpg @ 55mph on rainy 40F days and ~30mpg on warm, clear days. Peak fuel economy seems to be around 35-42mph.
It probably goes without saying, but I don't have the option of many visible exterior modifications.
Van still has its winter tires on. I'm hoping to see improvement once I swap them out for summers. First modification was tire pressure. I was pleasantly surprised to find they were already at ~40psi, but I went ahead and aired them up to 48.
The elephant in the living room is the rack on the roof. The conduit tube is non-negotiable. I need both ladders with me at all times. I could potentially keep the smaller one inside the van, hanging from the ceiling, if I rig up a holster for it, but in some cases I could see it being a hindrance.
Thoughts on flipping the ladders around, so the narrow end is toward the back of the van? Might a front wind deflector improve aero, or would the added frontal area hurt more than it helps?
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