I have been following the forums with regard to gas mileage for a few months now. I have read many complaints from members that dont meet their vehicles mpg ratings on their MSRP sheets. People are trying all kinds of gadgets to increase gas mileage. Here is a link for real world gas mileage. As you can see, you are probably getting close to what the Tacoma is suppose to achieve. You bought a Tacoma not a Yaris.