fuel economy setup
What's the best way to set up for finding out what your fuel economy is; do you do it by trip, a whole tank of gas, several days of driving- etc? And how do you set it up? I have the 2012 sedan EX-L w/nav
heys guys and gals i just purchased a 2012 honda civic never had a honda before. if anyone could help me by letting me know where to look for performance parts and what are the best to buy. thanks for any help from anyone.