Thinking of trading in you vehicle for a more fuel efficient one? Wondering which one to trade or what to get? You might want to get some details on how to compare fuel efficiency ratings because it is not as clear as it seems. It turns out that gas savings is significantly higher going from 10 MPG to 20 MPG than going from 25 MPG to 50 MPG. Logic would seem otherwise but read the following website for the details on why.
Help with Calculating Gallons Per 10,000 Miles (GPM)
This page contains materials that will help those interested in the MPG illusion (Larrick & Soll, Science, June 20, 2008) calculate gallons of gas used for different distances driven. It is regularly updated with new content. Please see this page for more information about the original research and additional materials. Here is a link to the original article (subscription needed) and its supporting online material at Science (no subscription needed).
Sorry, the comment form is closed at this time.