Celtic Renewables moves forward with first car to run on whisky-based ethanol

In the UK, Celtic Renewables Ltd set the wheels in motion of the first car to be fueled by a whisky residue biofuel. Biobutanol is produced from draff – the sugar-rich kernels of barley which are soaked in water to facilitate the fermentation process necessary for whisky production – and pot ale, the copper-containing yeasty liquid that is left over following distillation. Working closely with Tullibardine Distillery in Perthshire, the spinout company from Edinburgh Napier University, has developed a groundbreaking process that is set to revolutionize sustainable transport.