Renault R31 launch pictures (31st of January)

Lotus Renault GP unveiled their much-discussed 2011 challenger, the R31, in the pit lane of Valencia's Ricardo Tormo circuit on 31st Jan'11.Robert Kubica and Vitaly Petrov revealed the R31, with reserves Romain Grosjean, Bruno Senna, Jan Charouz and Fairuz Fauzy.Technical specifications Chassis Moulded carbon fibre and aluminium honeycomb composite monocoque, with engine incorporated