Researchers tinkering with bio-fuel (UK)

Scottish researchers are tinkering with bio-fuel – by adding waste from Scotch whisky to the mix. The researchers have produced a type of fuel from distilled Scotch whisky, from Diageo's Glenkinchie Distillery. The fuel uses "pot ale" — the liquid deposit from copper stills — and "draff" or leftover grain. Scientists claim it can be used in ordinary cars without altering the engines. Observers