V4 Heaven and John Boy.
Among the related links in the Mail article to the actual MPG is the following thought provoking subject
www.dailymail.co.uk/sciencetech/article-2783457/Is...l
If they bring in self driving cars like google is going to,you can do what you want much as some do anyway.
Comb your hair while drying it/put on your makeup,have a coffee & fag or get dressed as I noticed a driver this morning doing