Nacional RG was a short-lived Spanish automobile venture founded by Ramón Girona Guillaume, a Cuban-born engineer, who established Fábrica Nacional de Automóviles, Aviones y Motores de Aviación in Barcelona, Spain. The company was set up to build both aircraft and cars under the same Nacional RG name. Girona unveiled the brand at the Feria de Muestras de Barcelona in 1948, where he displayed a large stand featuring a light aeroplane,…