http://articles.mercola.com/sites/articles/archive/2006/05/25/how-to-increase-your-gas-mileage-by-37-percent.aspxWith greedy oil companies squeezing us at the pump, Edmunds.com tested some of the more popular ways you can save on fuel, separating facts from fiction. Out of the six tests listed, two of them -- tire pressure variations and using an air conditionerenCommunityServer 2008.5 SP1 (Build: 31106.3070)