Many authorities have excluded steam powered, electric motorcycles or diesel-powered two-wheelers from the definition of a 'motorcycle', and credit the Daimler Reitwagen as the world's first motorcycle.[12][13][14] Given the rapid rise in use of electric motorcycles worldwide,[15] defining only internal-combustion powered two-wheelers as 'motorcycles' is increasingly problematic. Electric Engine
US, Pennsylvania, Philadelphia County, Philadelphia, William Penn Annex EastPhiladelphia, PA at showmethead.com3,008