Canary media senior reporter Maria Gallucci recently took a pretty unconventional road trip – shadowing a truck driver as he drove around New Jersey, sucking grease, beef tallow, and used cooking oil out of dumpsters behind airports and restaurant chains. 

This grease will soon be turned into a sustainable aviation fuel known as hydroprocessed esters and fatty acids, or HEFA. With hydrogen and batteries still not ready to move our airplanes, the airline industry is relying on cooking grease to decarbonize. How clean – and how scalable – is it? 

Maria Gallucci joins us to explain. You can find her feature story for Canary media here.

Click here for a full transcript of this episode.

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