Copy/Pasted from April:
I'll be done with my first full tank of May in about a two days, so far looking ok, I let my sister drive back from SF and she drives 70 - 80 MPH so instead of getting 250-ish miles at the halfway mark I only got about 200. My guess is 34 MPG, which still isn't bad.
There will be at least another 3, maybe 4 fill ups for this month, I can get almost 400 miles out a tank and I commute exactly 420 miles a week (hehehe). But I need to start getting my car washed every 2 weeks now, the Valley get's crazy dirty in the Summer, and I use a car wash 10 or 15 miles away because they do a kick ass job.