Sutton Images Enlarge Remi Taffin says Renault has the capacity to completely revamp its engine for 2015 despite rules regarding what manufacturers can and cannot do over the winter. Engine development from season-to-season will be scaled down from 2015 onwards, with manufacturers allocated 32 tokens to decide what parts of the engine they wish to adjust and change for next year, a tally which will decrease until 2018. If all the tokens were spent it would allow manufacturers to change 48% of 45 different engine components for the new campaign. When it was put to him that Renault could have an engine different "in every respect" in 2015, the manufacturer's head of track...
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