 The Brazilian oil company is also the official supplier of fuel and lubricant for all cars in Formula 3.Even under the contract are the development and implementation of events, promotions, and marketing.However, despite the ready availability of second-hand F3 chassis and engines, the organisers of the new championship commissioned their own chassis to F3 specification, which was built in Argentina by veteran TC 2000 Championship driver and engineer Oreste Berta's eponymous company.