Encarta says in 1900 NYC, Chicago & Boston, 1,170 of these were powered by steam, 800 by electricity & 400 by gas
[DOC] [TLE] la HISTORIA del AUTOMOVIL en Puerto Rico - Google Groups [PAR] Jun 5, 1999 ... engines burned fuel in cylinders inside the engine, they were called ... engine to 
power a vehicle mounted on bicycle wheels and steered ...