Ideas to Save Gas and Improve Mileage-

Here is a link to a site about Hypermiling. This is an approach that uses altered driving techniques to dramatically improve gas mileage. The first link is to a site on the topic in general. The second link takes you to a description of an experiment that was done that improves, not only mileage, but the actual traffic conditions in traffic jams and slow downs.

http://hypermiling.com/

http://amasci.com/amateur/traffic/trafexp.html