News of thursday

* nick heidfeld will drive for sauber from singapor till the end of the season . He will replace pedro de la rosa who will maybe go to pirelli to become their new test driver .
* kimi raikkonen's manager confirmed his driver has contacted renault to have a seat in 2011 instead of vitaly petrov .
* lotus will be named team lotus renault next year and will use renault's engines , gearboxes and transmission .