Oxfordshire, Aug 11: Remi Taffin, the Renault stalwart who was the engine technical director of Alpine F1 team, has left the company. An Alpine spokesperson confirmed to Formula1.com that Taffin had left in July by “mutual agreement”. It also understands there are currently no plans to replace Taffin, with his responsibilities set to be assumed by existing staff members. The Frenchman has been part of Renault’s F1 programme since 1999, and early in his career worked as an engine engineer for Jenson Button. He collaborated with Fernando Alonso during the world championship triumphs of 2005 and 2006. t is another high profile exit for the Alpine F1 team after former Team Principal Cyril Abiteboul. (IANS)