Renault developed a new 1.6-litre V6 turbocharged engine, the Renault Energy F1-2014, in line with the new regulations for with APC Pankl Turbosystems GmbH supplying hybrid turbocharger kits for Renault Formula One engines since 2014 season. On 21 June 2013, Renault unveiled its new engine at the Paris Air Show. It was named Energy F1 after the Renault's road car engines. Red Bull and Caterham (formerly Lotus Racing/Team Lotus) had deals to use Renault engines until 2016. At the 2013 Monaco Grand Prix, Scuderia Toro Rosso announced a contract with Renault for the period 2014–2016.