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A comment on The challenges of hydrogen for airliners, part 2: ecosystem. Parent comment

Re:The challenges of hydrogen for airliners, part 2: ecosystem by kevin_thibedeau on Monday August 03, 2020 @03:46PM (#24042444)
Avgas is leaded because it is used as an octane booster and an anti-wear coating for valve seats.
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Re:The challenges of hydrogen for airliners, part 2: ecosystem by p_l on Tuesday August 04, 2020 @01:22PM (#24052251)
Replacements for tetraethyllead have unfortunate negative effects fuel evaporation and general characteristics in lower pressure / higher temperature environment.
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