Renault have ruled out a move to re-brand Red Bull's 2014 engines as 'Infiniti', the team's title sponsor.
Such a move had been suggested as Red Bull form closer ties with the luxury brand of Renault's Japanese partner Nissan, at the expense of some of Renault's exposure.
Indeed if the switch had taken place, many were speculating Renault would forge closer ties with Lotus, the current owners of the former Renault works team.
But Renault Sport F1 President Jean-Michel Jalinier denied such a move by Red Bull to rebrand their new V6 engines would take place.
"Despite the many rumours, our engine will not be rebranded Infiniti," Jalinier insisted.
"Currently, we have contracts signed with Red Bull and Toro Rosso, and we are also in negotiations with other teams, because the optimal solution for us is to supply four teams."
It is expected Renault will continue to power Lotus, although an official deal has yet to be confirmed. Caterham will also remain customers, but Williams are set to leave Renault as they switch to Mercedes power from 2014.
Asked about the current financial issues in F1 and whether the sport was becoming too expensive for big companies like themselves, Jalinier explained Renault remains committed to Formula One.
"In 2009, when the crisis began all over the world, we reasoned that we did not want to get out of Formula One altogether and so we stayed as a supplier."
"With Europe still in trouble," he added, "at the moment this is the best strategy."
"Being in F1 also helps us to sell a Sandero (road car) in northern Brazil," Jalinier smiled.
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