In this episode, Helen talks fuel for your body, Matt talks plane fuel (or lack of it…) and Steve talks origin theories for a particular fossil fuel. Plus a song from Helen about the ultimate source of Earth’s fuel:

- Matt's bit (01:10)

- Helen's bit (10:30)

- Steve's bit (22:30)

- Helen's Sun Song (33:50)

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Come for the Unnecessary Detail. Stay for the A Podcast Of. 

SHOW NOTES: 

Unfortunately our show notes are too big for Acast's margins to contain... head to the Fuel episode page to see everything.

Corrections and clarifications:

- Since we recorded this episode in 2020, Timothy Jarman tells us that his Google Maps *does* give an option for the most fuel efficient journey now - amazing!

 - 02:55 - Matt mentions Boeing 787 instead of Boeing 767. He blames it on a slip of the plane! Thanks @kaapi_croissant.

- 08:22 - Our Formula One knowledge is out of date! F1 haven't allowed refuelling during pit stops since 2009... but other races still allow it, and the problem of vehicle weight vs. refuelling stops still exists. @Thexscha was the first to point this out, but many many many more of you have since then... 

- 20:41 - This CO2 decaffeination method uses supercritical CO2. That means CO2 at a temperature above boiling point and a pressure above atmospheric pressure, giving it the unique properties of both a liquid and a gas. It's not simply liquid Carbon Dioxide. Cheers @amypeace for being the first to chemical engineer to listen and flag this.

Thanks for listening!

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