Jun.9 (GMM)  KERS should only return to the F1 grid next year if every car is fitted with the energy-recovery technology.

That is the claim of Sir Frank Williams, whose Grove based team is reportedly keen to see KERS make a comeback in 2011.

Williams has its own hybrid technology company, whose unique flywheel KERS unit was fitted to the Porsche 911 GT3 R at the recent Nurburgring 24 hour race.

FIA president Jean Todt is pushing hard for the F1 teams alliance FOTA to overturn its gentleman’s ban on KERS.

KERS therefore already features in the technical regulations, but – if the FOTA ban is dropped – its use is voluntary.

“I am a strong supporter of the use of KERS,” Williams is quoted by the Dutch publication formule1.nl.

“The automotive industry is working on reducing CO2 emissions, and for that reason alone formula one must take the lead.

“But it should be compulsory — either we all use it, or we all do not,” added Williams.

Interestingly, the 68-year-old suggested that if Williams does use KERS in F1 next year, it would not be the flywheel system produced by Williams Hybrid Power.

“Our system works well and is being used by Porsche in long distance races,” he confirmed.

“But it is bigger than the electrical systems.  As we now drive with bigger fuel tanks, it no longer fits in a formula one car.  It would make our car like a London double-decker!

Lewis Hamilton on Sunday was visibly not jubilant as he accepted the winner’s trophy for the twelfth time in his career.

It emerges that the 2008 was unhappy not with teammate Jenson Button’s feisty racing from behind while the pair were running first and second at Istanbul, but the prior “communication” from the McLaren pitwall.

“The communication wasn’t clear for me,” said the Briton, who fought back and re-passed Button after they had been told to save fuel.

“When they suggested ‘save this much fuel’ it was not easy unless I went ridiculously slowly.

“I tried to reach that target and in doing so Jenson all of a sudden appeared from nowhere.”

Button confirmed that his attempt to take the lead from the sister MP4-25 came after he was also asked to save fuel.

“After that (incident) it was back to full save mode for me,” said the reigning world champion.

The Daily Star newspaper interpreted the save fuel instructions from McLaren as a veiled order for the pair to “Cut it out!”

But Hamilton insisted: “We don’t have instructions.”

Red Bull team boss Christian Horner saw the behaviour of Hamilton and Button as a lesson to his own drivers.

“When drivers are in the same team it is important they give each other a bit more respect and concede if one has got a run on the other,” he said.

Hamilton said he had a front-row seat to Sebastian Vettel’s crash with Mark Webber, and sided strongly with those who put the blame at the young German’s door.

“He did the exact same thing to me as he did to Mark.  It was dangerous.  He was so quick, so aggressive as he tried to turn into me, fortunately I had enough space,” said the Briton.

(GMM)