I split time between Northern VA and Central PA. I haven't tracked this kind of information. >>> Huw Powell wrote : >>> are you in a part of the country where the winter gas (RFG) is used? If >>> so, have you seen a difference in mpg then? > -- > Huw Powell > > http://www.humanspeakers.com/audi/ > > 82 Audi Coupe; 84 4kq; 85 Coupe GT; 73 F250