Originally Posted by dan50
This has been said before, but to maximize fuel economy don't coast in neutral. While this seems counterintuitive, when coasting in gear fuel supply is generally cut-off as the mechanical connection to the wheels keeps the engine "running". If you shift to neutral, fuel has to be supplied to accomplish the same thing. This won't make a big difference, but manufacturers engineer it this way for a reason.
I've seen this mentioned on this forum several times, but are we sure the Focus has this feature? This Ford document, dated last June, does not list the Focus as one of the cars with ADFSO.