Renault has set itself a cautious goal of 'five wins' in the 2015 Formula 1 World Championship as it attempts to claw back ground on the dominant might of Mercedes. The French engine constructor powered Red Bull Racing to four consecutive world titles between 2010 and 2013, but struggled to get an early grasp on the new hybrid power units introduced for 2014 with a series of reliability issues and a deficit of power compared with its Mercedes-equipped rivals. However, Renault heads into the 2015 F1 season with just the two Red Bull teams on its books following the defection of Lotus to Mercedes and the presumed exit of Caterham. With just two teams to supply, Renault Sport's Cyril Abitboul...
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