Red Bull boss Christian Horner says that the team's choice of ExxonMobil's oil and fuel for its Renault-provided engine is actually proving an advantage. Horner was responding to comments made by Toto Wolff earlier this week. The Mercedes team principal suggested that his rivals had made a "strategic mistake" with the decision. Red Bull are the only engine customer team on the grid this year not to choose the same oil and fuel supplier as their manufacturer's works team. Renault uses BP/Castrol for its oil and fuel requirements, as does McLaren. All teams with Mercedes engines are serviced by Petronas. Similarly, Ferrari stipulates that Haas and Sauber should use Shell. Red Bull...
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