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Amazon backs GranBio to scale waste-based jet fuel

What's the deal? Amazon has made a strategic investment in GranBioDealroom has a profile for this one. Try Dealroom →, a biotech firm that turns waste materials into sustainable aviation fuel (SAF).

The corporate round supports Amazon's pledge to hit net-zero carbon emissions by 2040.

GranBio's fuel is designed as a "drop-in" solution that slots into existing aviation infrastructure without new equipment.

Why now? Aviation is one of the hardest sectors to electrify, leaving few options to cut emissions.

"Lower-carbon aviation fuels are in short supply, and current volumes can't meet demand," said Andreas Marschner, Amazon's vice president of worldwide operations sustainability.

"By investing now, we're helping demonstrate the demand for solutions that, if they succeed, can become available to the whole industry," he added.

What could go wrong? SAF remains scarce and costly, and producers compete for the same agricultural feedstocks.

Airlines have flagged limited supply as a barrier to adoption. Regulation adds pressure: Israeli carriers, for example, face new EU fuel rules without the local infrastructure to comply.

Scaling production from pilot to commercial volumes is the central challenge.

The signal: Amazon's move through its corporate venture arm pushes GranBio — a breakout-stage biotech that converts biomass into renewable fuels, chemicals, and nanomaterials — beyond pilot scale toward commercial volumes. By tying the deal to The Climate PledgeDealroom has a profile for this one. Try Dealroom →, Amazon is using its buying power to signal demand and de-risk a sector where electrification is not yet viable.

Read more: ePlane AI

Image credit: USDAgov

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