The issue I see is the aerodynamics. While I love scouts, I'd think one of the mini trucks would work better. Smaller, but enough capacity for batteries. Remove the bed and ma Ford used to make a 4WD hybrid escape. They discontinued it because most people willing to pay an the extra money wanted 4wd not the hybrid power train, but it got something like 35mpg. I all ways felt they made a big mistake not making them both hybrid AND 4wd. The conventional explanation is that with the extra weight and power train losses of 4wd it made no sense to make it hybrid as well in the same vehicle. But if you think about it would have really been awesome. The 4WD system in an escape can't put it's full power to the rear wheels. I've heard it can only send about 20% or so. But that's ok, because it's not meant to be a off-road vehicle, it's full time 4wd system is just meant to keep you from getting stuck in snow or mud. What they should have done was make the engine and transmission in a 4wd yhe exact same as the 2wd, except it has a generator on it. The rear axle would have an electric motor on a lightweight differential. On dry pavement, the hybrid assist would come not from the drive wheels that are connected to the transaxle, but fro. The REAR wheels. Regenerative braking would come both from the rear wheels AND from the generator on the engine, slowing the front wheels. In essence, the drive shaft and transfer case are replaced by an electric motor on the rear differential, and a generator on the engine. In fact, rather than have an alternator at all, it would work best having a large permenant magnet DC generator, perhaps 140-280v output, attached to the engine. Probably sandwiched between the transmission and engine. I image a high voltage buss that be fed by or feed the generator, the rear differential motor, and the 12v inverter. You rectify the highhvoltage i DC with a high efficiency synchronous rectifier, and then use a switching regulator to produce sufficient 12v power for the vehicle electronics. The hybrid battery would replace the 12 car battery. (There's really no need of it) supplying the vehicle through the inverter when starting. The generator would be used to start the vehicle instead of a starter motor, to generate power and for regenerative braking. Those would save quite a bit of weight. And of course the high voltage buss would supply the rear wheels, or be fed by it when braking.With a more robust motors and alarger battery, it could even be a plug in hybrid. On good dry hard pavement, it's a hybrid, on rough gravelly roads, snow or mud it has 4wd, both, without adding dead weight that only gets used in one scenario or the other. I would have bought one of those.