Cosworth has entered the frame for a return to Formula 1 if the sport's chiefs decide that smaller teams need to be given a cheap supply of alternative engines from 2017, Motorsport.com has learned. Ahead of looming talks about future engine rules, as the sport bids to find ways to cut costs for independents, one idea being considered is for there to be two power unit types in F1.  It is possible that while manufacturers will be left free to continue developing the current turbo power units, smaller outfits could be offered cheaper alternative V6 twin turbos or even the old V8 engines. Ecclestone told Motorsport.com: "I think we can possibly have the other teams running maybe with a...
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