Société Nancéienne d'Automobiles was a French manufacturer based in Nancy. The company built cars and commercial vehicles powered by an opposed-piston engine produced under license from Gobron-Brillié. While most of its output consisted of commercial vehicles, the company also produced some passenger cars, including versions fitted with engines designed to run on alcohol fuel. The marque achieved notable competitive success in 1901, when a Nancéienne car won the Paris-Roubaix race…