The testing launches a two-year program that will culminate in engine certification in 2016 and entry into commercial service on the Boeing 737 MAX airplane in 2017. The LEAP-1B engine, which is the ...

Both companies make engines that power narrow-bodies, but have different design philosophies.

For more than four decades, CFM International has quietly shaped the narrowbody airliner market, powering some of the most recognizable and widespread commercial aircraft ever built. At the heart of ...