– Renault's head of track operations Rémi Taffin says that their current wave of improvements are working well but concedes that work needs to be done to aid the progress of Lotus and Caterham. Red Bull and Toro Rosso had a relatively trouble-free day during practice for the Malaysian Grand Prix but Lotus and Caterham encountered problems which impacted their running. "We came here with a substantial job list and we have been able to run through a lot of items and validate some of the software and hardware upgrades put in place after Australia," said Taffin. "In many respects we have seen improvements, with competitive times from the Red Bulls and Toro Rossos and a...
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