Bruno's HRT was also much heavier and outdated than the Chandhok/Yamamoto/Klien car which contained most of the updates made by the team.
More on Heidfeld possibly being replaced. Boullier thinks Grosjean is ready for F1: http://www.autosport.com/news/report.php/id/93396 I wonder how important Heidfeld's performance at Hungary will be to his future at Renault. Hope he does well.
A lot of drivers in the running at Renault. All this with the possibility of Kubica returning next year. The BBC now getting involved in the Renault gossip: Renault must improve - Eric Boullier