Honda’s Eco Assist™ is like having your own onboard efficiency coach. Just take a glance at the colored bars on either side of the speedometer. Stay in the green, and you could go farther on a tank full of gas.
 44 city/44 highway/44 combined mpg rating. Based on 2013 EPA mileage ratings. Use for comparison purposes only. Your actual mileage will vary depending on how you drive and maintain your vehicle.
Just push the big green button. Could there be a quicker and easy way to save fuel? In ECON mode, the Civic Hybrid's engine and other energy-consuming systems are automatically configured to operate more efficiently. Need more zip? Push it again to go back to normal mode.