You should ask Trexuk what kind of mileage he gets; these bikes should get you about 3 days worth of commuting, I would think. I commute 30 miles each day on my TMEC 200 and average about 50 mpg(US). That is at speeds of 55 to 60 mph for about 7 or 8 miles. It's too bad he is so far from you because it seems like a nice bike and worth a test ride. The Skyteam VRaptor 125 (also available in 230cc, but I believe you are still on an L plate) would probably be worth a look, too. It has a 10 liter tank.