Just watch... and from the same time period..It's running to oil rigs...
No way. Computer generated.
Here's another one: http://www.mtfca.com/discus/messages/411944/422090.html?1391965145
Not computer generated. A buddy of mine has this same film on VHS. This was a Dodge Brothers promotional film showing the durability of Budd all-steel bodies used on all Dodge Brothers cars.