Deputy technical director Tokunaga leaves Lotus

Lotus deputy technical director Naoki Tokunaga is to bid farewell to the team and will join Renault Sport F1 as the technical director of their New Generation Power Unit. Tokunaga's role at Lotus will remain vacant for the foreseeable future. Â"While we are sad on a personal level to see Naoki leave Enstone, we believe this move will be overall positive for Renault Sport F1's customers,Â" said Lotus technical director James Allison. Â"We would like to thank Naoki for the tremendous contribution he has made to our team during the 12 years he has been with us and we look forward to the performance he will bring us (and all of Renault Sport F1's client teams) in his new role.Â"