Development of the internal combustion engine continued at a rapid pace, with multi-valve and overhead camshaft engines produced at the high end, and V8, V12, and even V16 engines conceived for the ultra-rich.
O desenvolvemento do motor de combustión interna continuou a un ritmo rápido, con multiválvulas e Veo de manivelas montados no extremo superior e motores V8, V12, e ata V16 concibido para os ultra ricos.