Did you know that using the ECO button in your Honda Civic can improve your gas mileage by up to 10%? That's pretty cool, right? In the 2012 Honda Civic, this nifty feature is designed to help drivers save money on fuel while being more eco-friendly. When you press that little button, the car makes adjustments to how it uses power, making it run smoother and more … [Read more...] about what is econ on honda civic 2012