I can dig the 45 mph F150. I can dig the EV part. I can't imagine the buzz and inefficiency of 2 or 3 gensets on all the time. I'm not suggesting you kill yourself- that suggestion is usually reserved for me when I dare to suggest there is a human overpopulation situation. But you should think on this over a beer or 8.
P.S. I KNOW I've seen an S-10 or similar small truck converted to electric motor drive and there was a genset in the box. I even dimly think I recall the guy was a Canadian? IIRC his mpgs weren't all that astonishing. I even did a quick EM search but didn't find...