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War with Iran has aviation costs sky high. Are there alternatives to jet fuel?

NPR | By Emily Feng,
Emily Kwong, Henry Larson
Published May 9, 2026 at 2:17 PM PDT

As the blockade of the Straight of Hormuz has sent jet fuel costs and airplane seat prices soaring. NPR's Emily Kwong looks at the viability of alternatives such as sustainable aviation fuel.

Copyright 2026 NPR
Emily Feng
Emily Feng is NPR's Beijing correspondent.
See stories by Emily Feng
Emily Kwong
Emily Kwong (she/her) is the reporter for NPR's daily science podcast, Short Wave. The podcast explores new discoveries, everyday mysteries and the science behind the headlines — all in about 10 minutes, Monday through Friday.
See stories by Emily Kwong
Henry Larson