Wikicars, a place to share your automotive knowledge
I'm Joe. I drive a Prius.
The wikipedia article on the term is a good starting point as well.
Personally, I get about 41 MPG in my 2004 Package 9 Prius, so it would be a bit dishonest to call myself an actual hypermiler. But, as the pigeon would say, "I have dreams you know!"