Renault will debut a new engine concept in 2017 that it believes will deliver greater development potential and therefore huge gains later in the year and beyond as it looks to close the gap to its rivals, chiefly Mercedes, which it still lags behind in outright performance. With the new power units now entering their fourth season, the rate of development is slowing and smaller steps are therefore expected next year, but Renault believes it can buck that trend by going down a completely new development path thanks to an 'aggressive' overhaul of its design. According to Renault's managing director Cyril Abiteboul, the French manufacturer isn't content with its power unit...
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