Have had my 0.9 Stepway Ambiance for about 3 weeks, am loving it but going through quite a bit of petrol. Latest figures 37.5 mpg, I travel approx 8 miles motorway and 4 miles urban daily. Have Eco on all the time. Has anyone noticed a big difference using Eco or I am thinking I am using more fuel driving on Eco making it work a bit harder on the motorway? I am doing another mpg check now not on Eco just to see the difference.