Renault manufactured buses and commercial cargo vehicles in the pre-war years. The first real commercial truck from the company was introduced in 1906. During World War I, it branched out into ammunition, military aircraft engines (the first Rolls-Royce aircraft engines were modeled and inspired by Renault air-cooled aircraft V8 units) and vehicles such as the revolutionary Renault FT tank. The company's military designs were so successful that Louis was awarded the Legion of Honour for his company's contributions. The company exported engines to American automobile manufacturers for use in such automobiles as the GJG, which used a Renault or four-cylinder engine.