Lotus has become the latest F1 team to reveal its 2015 Formula 1 contender, the E23 Hybrid, its first using Mercedes power. Lotus, race winners in 2012 and 2013, endured a difficult 2014 as it struggled to bring its E22 up to speed, the English-based team suffering with persistent set-up woes and the deficiencies of the Renault power unit compared with its Mercedes rivals. As such, though Lotus heads into the 2015 season with an unchanged driver line-up of Romain Grosjean and Pastor Maldonado, it has adopted a series of changes behind-the-scenes, not least the decision to swap to Mercedes power for the new season. As expected, it has also ditched its unusual 'dual-pronged' nose in favour...
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