Technical difficulties were never fully overcome, the increasing cost of fuel made gas turbine cars uneconomic to run, and meanwhile by the 1960s the piston engine had improved immeasurably over ...

Turbine engines run on the same combustion principle but lack pistons, instead relying on their titular turbines. According ...

We’re introduced to the traditional two-stroke diesel engine as thermally efficient but not smooth-running, and then the gas turbine as smooth but much more inefficient. The free piston engine ...