Enormous engines like the GE90 had to be developed to power the 777, primarily because it has two turbofans rather than four.

In the late 1940s, GE introduced the J-47 gas turbine engine, which became the most-produced jet engine of the early jet age, powering aircraft such as the F-86 Sabre and several other new fighters.

Recently, the Russian defense industry introduced a new jet engine called "Izdeliye 177" (Product 177) for the ...