World first for distillery aiming to run cars on whisky
25 September 2012 Last updated at 14:55 BST
A Perthshire distillery has signed a deal to turn its by-products into fuel for cars in what is being hailed as a world first.
Scientists from Napier University in Edinburgh will use bacteria to turn the whisky leftovers into a substance fit for your petrol tank.
BBC Scotland's science correspondent Kenneth Macdonald reports.