back in the 80's I drove to Los Angeles and picked up a load of NiCad batteries for my PV system.
Loaded,the rig was a half ton over original weight of the solo car.
I averaged 50-mpg at 55-mph,a 2-mpg loss.
![](http://i1271.photobucket.com/albums/jj622/aerohead2/Untitled-10.jpg)
If I ever finish this thing she might do a bit better.