2012 Formula One World Championship
In June 2011, Williams announced that they would be using Renault engines for the 2012 and 2013 seasons, with an option to use Renault engines again in 2014 under the next generation of engine regulations. Renault had previously supplied engines to Williams from 1989 to 1997, when the team won four World Drivers' Championships and five World Constructors' Championships.