Engines
New Engine Technology
With fuel prices at noticeably higher levels and Stage 4 noise requirements proposed to take effect next January 1, industry and government are working fur

With fuel prices at noticeably higher levels and Stage 4 noise requirements proposed to take effect next January 1, industry and government are working furiously on ways to make turbine engines even more efficient, while further reducing emissions and noise output. NASA is leading the charge, with plenty of help from the engine manufacturers themselves.