I feel like I'm diving into the unfamiliar here in this forum, I'm more used to conventional drivetrains.
At any rate, has anybody here done much with full sized vehicles? I see tons of little cars, but what about the larger vehicles? I would think they would make a better candidate, what with having better ability to handle the weight of a battery pack, more room to store batteries and electronics, etc.

From that, you can probably figure I want to build a full size EV. I'm in the planning stages now to build a vehicle for my wife and our kids that can handle around town and long-range trips. My basic though is to start with a 68 F100, build it out to something like an Expedition, but with a bit more gas-friendly drivetrain. I do plan on having an on-board diesel generator to give it cross-country range without plugging in, but size it to be just a bit more than needed at regular highway cruise.
I figure that with this combo, I should be able to see 35-40mpg out of a truck that would otherwise get 15-18.
My stumbling points are how to figure out the components I need, aside from calculating how much power this thing will really need. I do plan on using the factory rear axle and driveshaft, but I want to use a toroidal drive to keep the motor in it's sweet spot to get the most efficiency, rather than a conventional transmission.
Any help and advice would be appreciated.
Sorry for the book, but that's kinda my style