http://news.slashdot.org/comments.pl?sid=1525644&cid=30913184 At one point they also had 2-cycle engines (you had to add oil to the gas tank every time you filled it up) and, if you did it right, you could get the engine running backwards, giving you a car with one speed forward and four in reverse. If that ain't geeky, I don't know what is. You could probably win a lot of bar bets with it.