The solution to saving gas mileage is with the UL Certified Fuel Savings Patch available from Efficiency Experts, LLC based in Lebanon, New Hampshire. Visit Efficiency Experts to learn more about the device that is a phenomenal invention. The patch is a wise investment because you save money on gas costs and the ROI is very quick (within a few months). The emissions from the car will be reduced because the car runs cleaner and more efficient. There are 40% less carbon produced from the fuel combustion.