Synthetic fuel can cut emissions without new engines: what's the catch?

What if we told you there was a way to cut emissions from your car and it didn’t involve any changes to the engine? A Swiss chemical engineer is developing a synthetic, “drop‑in” fuel that works with existing vehicle and aircraft parts and infrastructure. 
 
In this episode of The Swiss Connection science podcast, host Jo Fahy and SWI swissinfo.ch journalist Simon Bradley find out how the fuel is made and why it isn’t already available at your local petrol pump.  

Journalist: Simon Bradley
Host: Jo Fahy
Audio editor: Michele Andina
Distribution and Marketing: Xin Zhang

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SWI swissinfo.ch is a public service media company based in Bern, Switzerland.