The pressure is on Renault to resolve their engine issues with rumours suggesting Red Bull are seeking a new engine supplier for 2015.
Although with Renault power Red Bull have won four successive Drivers' and Constructors' titles, the reigning Champs are reportedly considering another engine manufacturer for next year's Championship.
According to former F1 team boss Giancarlo Minardi "it is rumoured that Red Bull are thinking about changing their engine supplier in 2015."
Renault are adamant a solution to the engine woes that kept Red Bull down to just 21 laps at Jerez is on the horizons.
Minardi, however, reckons it is more dire they are making out.
"Despite Renault, Red...
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