Agreed with Red here, I drive it like normal without worrying heavily about how I drive and I'm getting the EPA estimated mileage. That said, I have a long stretch of 55mph road to work and back and never seem to jump over 30 for very long... hoping when I finally take the car in for "The Works" having everything checked/replaced/topped off will help me out a bit, fresh oil should help, once all the crud from break in is drained out.
Once upon a time I had:
2012 SGM SEL Sedan Job 1 BD 6/2011
FSWERKS Cool-Flo w/ ITG Filter | FSWERKS Stealth Exhaust | 17x7.5 Axis Sport XMX Graphite wheels | Eibach Sportlines on Ti Handling Pkg bits