The Hidley Steam Car was an American

steam car A steam car is a car (automobile) propelled by a steam engine. A steam engine is an external combustion engine (ECE) in which the fuel is combusted outside of the engine, unlike an internal combustion engine (ICE) in which fuel is combusted ins ...

manufactured only in 1901. One was certainly built, and as many as four may have been produced at the factory in

Troy, New York Troy is a city in the U.S. state of New York and the county seat of Rensselaer County. The city is located on the western edge of Rensselaer County and on the eastern bank of the Hudson River. Troy has close ties to the nearby cities of Albany ...

References

David Burgess Wise, ''The New Illustrated Encyclopedia of Automobiles'' Defunct motor vehicle manufacturers of the United States Steam cars {{veteran-auto-stub