The world’s first car running on a biofuel made from whisky residue has had its first successful test drive. The fuel, called biobutanol, is designed as a direct replacement for petrol and diesel and does not need the car to have its engine modified. It is made from kernels of barley called draff, and pot ale – a yeasty liquid left over from fermentation. She said the car felt smooth on the short drive – and did not notice any difference from a petrol or diesel-fuelled vehicle. While there is a push for major car manufacturers to commit to electric vehicles, biobutanol is seen by its inventors as an alternative which can power the vehicle without the need to modify its engine.
BBC 7th July 2017 read more »