Bio-bean, a clean technology company has cooperated with Shell and Argent Energy to create a coffee-based biofuel（生物燃料） 61 (use) in London’s diesel（柴油）buses.
62 company has produced 6000 liters of coffee oil for London’s transportation. “It is a great example of 63 can be done when we start to take waste as a resource again,” Bio-bean founder Arthur Kay said in a 64 (state).
The company collects coffee grounds(咖啡渣) from cafes, restaurants and 65 (factory) and transports 66 to its recycling equipment. There, the grounds are dried before coffee oil 67 (remove). The coffee oil is then mixed 68 other fuels to create B20 biofuel, which can be used in diesel buses.
Bio-bean says that Britain 69 (produce) 500,000 tons of coffee grounds a year, most of 70 are thrown away in burying fields.
