Apparently an idea and creation from the past that holds promise for future applications was just too much for the CBC's crack team of comedy writers to resist — the Back to the Future puns in this piece are a real riot. Greg Vezina managed to convert a Chevy Impala to run on "Hydrofuel", or the very smelly chemical ammonia to everybody else. Though there was interest from Canadian officials in at the time in 1981, the fact that the car is now a rusting away beside his garage speaks volumes of its success.

We're not at all up on the industrial and ecological impact of ammonia as a fuel, but it is interesting. Just think, if this had taken off, we wouldn't be troubled hippy-owned grease burners smelling of French fries, instead we'd all have watery eyes from the prodigious stench of ammonia. [Youtube]