The EPA has an official blog called "Greenversations" that chronicles weekly topics by the Government agency.
This weeks topic is "Have You Tried Hypermiling and What’s Been Your Experience?"
This might be a good place to put in your 2-cents on your fuel saving experiences (and hopefully combat the negative press it sometimes tends to receive).
EDIT: Here's the updated
LINK that should work (thanks Darin).
RH77