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By Bjorn Fehrm

Introduction

October 20, 2022, © Leeham News: We finish our series about engine development by looking at the next-generation engines and future trends in airliner engine development.

We limit this look forward to engines that burn Jet fuel (Jet-A1 or SAF) as green propulsion solutions are a vast field and justify their own series. We will pick this up at a future date.

The Boeing 777-9, the first airliner with next-generation engines. Source: Boeing.

Summary

• The major reduction in fuel consumption and, thus, CO2 emissions will come from new engines.
• The technologies to drive fuel consumption down a further 15% are there.