Why your holiday flight is still not being powered by sustainable aviation fuel

By Salman Ahmad, Lecturer in Operations and Supply Chain Management, University of the West of Scotland

As you wait in the departure lounge for your flight this summer, you may notice your aeroplane being pumped full of fuel ahead of takeoff. And then you may start to wonder why flying is still so dependent on fossil fuels, and whether you should have booked a holiday destination that’s accessible by a more environmentally friendly form of transport.

So what happened to plans for so-called sustainable aviation fuel? Wasn’t it supposed to be the

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