The April '98 issue of Bicycling has a short take on a university study that showed no difference in performance an hour after eating a plastic energy bar or a plain old bowl of oatmeal. It gets the job done, and without pulling my teeth out in cold weather. I've tried and like very much Balance bars on long rides, mostly for their high protein. Stand the bike up, facing forward, with the front wheel against the front of the truck bed. Crank down enough to compress the fork a little and keep things in place.
Price is right too.
I've seen this work for three bikes at a time, might be stretched to four. This is an extremist's wet lube, so brace yourself. Or you can do it all at once and share it with a friend. To use, dribble it on just like any other wet lube. Put some old newspapers on the floor and between your wheel and drivetrain.