No and never have
The technology on airplanes is not old, the concept of some things might be and it is simply because they work and they are reliable.
The first steam engines used for pumping water out of mines.
Aircraft designers didn't use steam engines in 1903, either.
Yes. Gasoline engines powered cars, trucks, tanks when they were invented, and airplanes. The diesel engine was not yet in common use, as it needed the invention of the turbocharger to be effective. Large naval ships used coal to generate steam for their engines.
Military airplanes with big, powerful jet engines and lots of things that go boom!
Two triple expansion steam engines and an exhaust turbine
Someone who doesn't want to burn gasoline. A steam engine has the ability to use anything that will burn. Had the technology been applied to steam engines like it was to gasoline engines, we possibly would have some viable steam engine transportation today. Steam engines were less efficient than gasoline or diesel engines, that is why they are not used much today.
the kind that gives boners
Yes, steam engines were still very much in use in 1948, however diesel electric engines were gradually coming to most railroads.
The reciprocating steam engine is no longer in widespread commercial use.
Steam engines.
Turbine engines are most commonly found in airplanes. They use gas for fuel. They are also known as "jet" engines, hence the term for the plane.