I received my 2008 Touring a few days ago. Getting a somewhat disappointing 41mpg for the first 140 miles. I'm taking it easy and trying to maximize the mpg. 80% suburb driving. The air filter is a bit dirty so I cleaned it and intend to replace it shortly (cabin filter too). Oil is fresh and proper level. I just raised tire pressure from 32 up to 40 on all corners. Any other suggestions of items to check? I know 140 miles is too soon to get crazy, but heck, that's why we are here .... right?