Renault has joined BMW in making decisions about deploying F1's controversial new KERS technology this season on a race-by-race basis.

Renault has joined BMW in making decisions about deploying F1's controversial new KERS technology this season on a race-by-race basis.

Fernando Alonso said recently that the French team should consider whether using the heavy system was the right call in Australia and Malaysia.

In a team preview, the Spaniard now insists KERS was a "clear benefit" at the start of the race in Malaysia.

Technical director Bob Bell agrees, but he also backs Alonso in wondering in hindsight whether KERS should have been used by the team in Australia last month.

"As the year unfolds there will be circuits where it may be debatable whether running KERS is an advantage or not," he said.

"So we need to evaluate its merits on a race-by-race basis, but China is definitely a track where we should see a benefit," added Bell.

 

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