Bought my 2010 FFH last Feb. with 69K miles, from a local dealer. On the ride home it got 41 mpg, in the snow. Since then has run perfectly. Generally averaging 38-40 mpg, which was fine. However, in September, I noticed the mpg per trip was dropping, and the overall mpg along with it. Recently, since about Thanksgiving, the mileage is consistently below 30 mpg per trip, sometimes as low as 20. Long term MPG is below 32. No check engine light or other indication of any problem. Took it to a dealer, different one from where I bought it, and they could find no problem. Charged me $100 for nothing. Just turned 80K miles. Seems to be running maybe a little rougher than when I got it, but still is just fine. Has anyone else experienced anything similar? And is there a list anywhere of technicians who are better than others at diagnosing hybrids, listed by locality or region? Could this be transmission related instead of engine? Anything?