Francon was a French automobile manufacturer that operated from 1922 to 1926. The company, originally known as Truelle et Compagnie, was based in Rueil-Malmaison, Seine-et-Oise, before relocating to St Ouen, Seine. The Francon brand specialized in producing light cars, which were powered by a unique 2-cylinder, 2-stroke engine designed by engineer Chedru. The initial models featured separate cylinders with a displacement of 458cc. However, in…