There are a lot of different aircraft, and they all use a variety of engines from different engine manufacturers. Two of the more commonly used engines are turbofan and turbojet engines. They have a ...

A turbofan engine, on the other hand, is designed to move huge amounts of air to propel an aircraft forward. At lower subsonic speeds, it does this quite well. Faster than that, aerodynamic drag ...

How engine design has evolved to boost fuel efficiency, and where it's going from here.

GE Aerospace is developing a hybrid electric demonstrator engine with NASA that will embed electric motor/generators in a high-bypass commercial turbofan to supplement power during different phases of ...