Forget petrol! Fuel your car with coffee!
They've been getting waste coffee and turning it into biodiesel by extracting oil from it and then using a chemical process called 'transesterification'.
Seeing as fossil fuels is really bad for the environment, we need to find a substitute that is kinder and altogether nicer... and the coffee industry is completely problem-free and doesn't come at the expensive of humans at all.
Dr Chris Chuck, from the university’s Centre for Sustainable Chemical Technologies, said: "Around eight million tonnes of coffee are produced globally each year and ground waste coffee contains up to 20 per cent oil per unit weight."
"This oil also has similar properties to current feedstocks used to make biofuels. But, while those are cultivated specifically to produce fuel, spent coffee grounds are waste. Using these, there’s a real potential to produce a truly sustainable second-generation biofuel."
This will be music to Starbucks' ears. They'll be looking at setting up fuel stations that play Paulo Nutini albums on the forecourts all over the world.
A regular-sized coffee shop produces around 10kg of coffee waste per day, which translates into around two litres of biofuel. There's also gigantic amounts of grinds produced by the coffee bean roasting industry.
If they can make the fuel smell like freshly brewed coffee, we're onto a winner here... but it's more likely to smell like liquid faeces isn't it?