If your installation teams or salespeople have fitted those little England flags to their vehicles, then you need to read this:
http://solarpanelquoter.blogspot.com/2010/06/england-flags-on-cars-affect-mpg-by-3.html
They could be affecting the MPG by as much as 6 miles per gallon – per flag!
Tags: england flags, installation teams, miles per gallon, salespeople