Car fuel from whiskey waste and bagpipes on planes

List all your Scottish jokes here!

Electric cars may receive most of the attention within the realm of alternative propulsion methods, but liquid hydrocarbon fuels will be with us for many decades to come.

The challenge then becomes how to reduce the carbon footprint of extracting, transporting, refining, and burning those fuels to reduce the damage they impose on the environment.

That leads to biofuels, and an amusing development from Scotland called biobutanol, though the public may know its ingredients by a different name: whiskey.

And a world champion piper was thrown off a Ryanair flight for refusing to put her bagpipes in the hold.

Originally aired on5 October 2017. For past programs and individual segments visit

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