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2015 engine upgrade

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F1: Renault used 11 tokens for upgrade

Formula 1

F1: Renault used 11 tokens for upgrade

By alley - Oct 23, 2015, 5:01 PM ET

Renault used 11 of its 12 Formula 1 engine development tokens for the upgrade that is now set to wait another two grands prix before hitting the track.The French manufacturer brought two of the latest specification V6s to this weekend's United States GP, for potential use by Red Bull as...

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