According to a recent letter from Ford (who of course support this wholehartedly) its already a goer in France, Spain and Germany.
If you look at the way things are going, there is already a scrappage system going on.....have an accident in an older car and the insurance company will probably write it off automatically.
One of Vauxhalls incentives is a minimum of £1000 for car with tax/mot, provided you agree to the vehicle being scrapped.
What have I told you about Thinking Erroll??