The steam engineer is concerned only on the steam generated by either boiler or any steam generating device and the way it should be manipulate for maximun productivity and efficiency while, piston...
Rotaries have gotten better, but that's it. A piston engine is far superior. It has much more tuning available to it and makes more power and torque. Also they are more reliable and more durable,...
There isn't one that is "faster" and it depends on you're definition. Engine speed and the car's speed both can be defined as how "fast" it is. I'll try to answer for both cases. If you mean engine...