Paulo Sérgio Renha, from Rio de Janeiro, had wide experience as a car designer. He conceived some models for Emis, designed the chassis of the Terral buggy and the Dimo sports car for Fibrario, and developed the Jornada for NBM. In 1977 he created his own company, Renha Indústria e Comércio de Veículos Ltda., in Rio de Janeiro. The company began making an original three-wheeler with a Volkswagen boxer engine…