I have a number of automotive fantasies, many of which fall into the “never gonna happen” category. Among these daydreams are commuting to work in a Mercedes-Benz Unimog, and driving with Grace Kelly to get a malt at Chicago’s Superdawg Drive-In in a Mercedes-Benz 300SL Gullwing. What was the GMC Twin Six? How Hi-Rail Pickup Trucks … Continue reading How Hi-Rail Pickup Trucks Work