Well they don't have shit.
You think that really old engines would work?
You know antique roadsters?
failing that coal/steam powered trains would be excellent.
there was a sliders like movie called doorways where thy went to an alternate universe where a bug/virus ate all the petroleum in the world, designed to deal with oil leaks, slicks it just kept eating... but they had hippies in that world who had retrofitted a bus into a 20 man bicycle, which operated on the same principle as those gallies with 80 blokes pulling oars..