If you think that is bad, you should reconsider your car. A big truck is 3x more efficient than a Prius. Take a look at the numbers and analysis presented by

If you think that is bad, you should reconsider your car. A big truck is 3x more efficient than a Prius. Take a look at the numbers and analysis presented by "Why are cars unable to match the efficiency of the 18 wheeler?" http://arstechnica.com/civis/viewtopic.php?t=41085 http://arstechnica.com/civis/viewtopic.php?t=41085