The steam-powered car is considered an old-fashioned ... While the Doble's four-cylinder compound engine makes only 150 horsepower, it produces a staggering 1,000 pound-feet of torque, according ...

The Compound was only commercially produced for ... go back thousands of years -- the Newcomen engine was the first steam ...

For example, some say that the Union Pacific Big Boy is the world's most powerful steam engine. This is true ... capable of ...

One of a kind: The 127-year-old motor is up for sale On the double: The twin compound steam engines power the vehicle Under pressure: The car's gage to keep track of its full functionality Steam ...