Letters From Our Readers, April 5, 2021

General Electric airplane engine
Credit: General Electric
SHORT-RANGE FLYING MUST GO Your extensive piece on sustainable aviation fuels, “Moving the Needle” (March 8-21, p. 14), explores many of the issues. But since bio-mass-derived sources are the only reasonable route at present, I don’t think you put enough emphasis on the major flaw: There simply will...

Letters From Our Readers, April 5, 2021 is available to both Aviation Week & Space Technology and AWIN subscribers.

Subscribe now to read this content, plus receive critical analysis into emerging trends, technological advancements, operational best practices and continuous updates to policy, requirements and budgets.

Already a subscriber to AW&ST or AWIN? Log in with your existing email and password.

Paris Air Show 2025

Aviation Week's award-winning editorial team will deliver comprehensive coverage of the Paris Air Show 2025, including extensive news, insight, and analysis, continuing our tradition of authoritative aerospace journalism at the world's largest and most influential aerospace industry event.