Exhaust Additives Could Reduce Contrails’ Climate Impact

contrails

Adding ice-nucleating materials to engine exhausts could force contrails to fade more quickly and trap less heat

Credit: DLR
As another scientific study highlights the potential for reducing contrails to limit aviation’s climate impact, a U.S. researcher has proposed adding ice-nucleating particles to engine exhaust to make contrails less harmful by shortening their lifespan. Proposed by Fangqun Yu, a senior researcher in...
Graham Warwick

Graham leads Aviation Week's coverage of technology, focusing on engineering and technology across the aerospace industry, with a special focus on identifying technologies of strategic importance to aviation, aerospace and defense.

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