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 ...

Volkswagen made the first major mechanical update to the Bus when it rolled out the Type 4 flat-four, which is also known as the “pancake engine,” for the 1972 model year. The company simultaneously ...

Then, the Abrams stands out from most other MBTs with its unique powerplant: the Avco-Lycoming AGT1500 gas turbine engine.