Update June 20, 2009
The final June 18 Cash for Clunkers bill is described here.
Follow this link to an online GPM calculator and a downloadable table of gas savings based on the MPG levels in the new bill. See the blog archive on the right to find recent posts on Cash for Clunkers.
The specific information that was posted below is now outdated and we have deleted it. Please consult the new post.