sentences:  On the 2012 Geneva Motor Show, Morgan introduced a new edition of the Plus 8 roadster, powered by a 4.8L BMW V8-Engine.At the same show, Morgan also introduced an electric version of the Plus 8 roadster - called the Plus E - which is powered by a Zytek 70 kW (94 bhp) 300Nm electric motor.For almost two decades during the 1950s and 1960s, North America took the greater bulk of Morgan production.