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United Air Plans D.C. Flight on Greener Fuel to Nudge Lawmakers

  • Airlines seeking U.S. incentives to spur huge production boost
  • Right engine on 737 Max to burn lower-emission fuel in demo
Photographer: Andrew Harrer/Bloomberg

Amid a push by U.S. airlines to get Congress to help jump-start greater production of sustainable aviation fuel, United Airlines Holdings Inc. is slated on Wednesday to fly a jet to Washington that will be partly powered by this product.

Sustainable aviation fuel, or SAF, is a key part of major airlines’ strategy for meeting their goal of reaching net zero emissions by 2050, a transformation the industry estimates will require an enormous financial investment of more than $1.5 trillion. To convert just 10% of the global aviation fuel supply to SAF will require $250 billion in capital, United Chief Executive Officer Scott Kirby said Tuesday in an interview.