... and this is another reason why I'm looking forward to a future Jeep Wrangler hybrid model from Chrysler. I have a gas Jeep Wrangler now and I love its off-road capabilities. But, once the diesel/electric version is available, I'll trade up to that.
Solar on the roof of the RV will keep the hybrid Jeep happy. In addition, I may never have to buy diesel for the toad car while full timing with my solar on the RV.