Nope! I think I can say with confidence there's not much more to be wrung from that Ford with plain vanilla techniques. At least not on my usual teaching route anyway. Not sure why it's so thirsty.
EDIT: There are 124 Ford Edges from 2007-2013 with reported gas mileage parked at Fuelly. The MPG averages by model year are pretty bad. *(includes all engine types, both FWD and AWD):
2013
19.1
2012
20.9
2011
20.0
2010
19.5
2009
19.0
2008
18.2
2007
18.5
Source:
Ford Edge MPG Reports | Fuelly
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pRoy - as a matter of fact, the Edge was the last scheduled session. So if you know someone who's interested in Thurs or Fri after lunch next week, I'm game for another one.