A worker adjusts aluminium electric automobile engine parts at the Renault factory in Cleon, Western France, July 20, 2015. The Renault plant constructs the R240 electrical car engine, with an autonomy of 240 kilometres, for its Zoe line of automobiles. The plant has a current production capacity of 50,000 engines that can be increased to 100,000 units. Picture taken July 20, 2015. REUTERS/Philippe Wojazer