Representing the teams powered by Renault engines, namely Lotus, Williams, Caterham and Red Bull. This weekend the 2012 Formula 1 season kick off in Australia, and to mark the occasion Renault Sport Technologies has unveiled four Megane RS show cars, each clothed in the livery of the four teams that Renault engines will power.Lotus, Caterham, Williams and Red Bull Racing teams\' colors adorn the quartet of Megane RS vehicles, which will be on display and showcased at events attended by Renault throughout the season as a reminder of Renault\'s 35-year commitment to F1. During its involvement the sport, Renault has developed its technological expertise as well as picking up 10 constructors\' world titles along the way.This expertise has been carried over to the firm\'s mass-market road cars, including the range of RS sporting models and the latest Energy line of powerplants.