Looks like the FIA have realised that higher tyre wear may be an issue, so new rulings mean they can add extra sets if needs be.
Also, some random tweaks to the safety car rules.
http://www.formula1.com/news/headlines/2011/3/11798.html
Also, some random tweaks to the safety car rules.
http://www.formula1.com/news/headlines/2011/3/11798.html