British startup bio-bean has partnered with Shell and Argent Energy to create a coffee-based biofuel that will be used in London’s diesel buses. The company has produced 6,000 liters of coffee oil for the pilot project with London’s transportation authority — enough to help power the equivalent of one city bus for a year.



The startup collects used coffee grounds from cafes, restaurants and factories, and transports them to its recycling facility. There, the grounds are dried before coffee oil is extracted. The coffee oil is then blended with other fuels to create B20 biofuel, which can be used in diesel buses without modification.

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Source: [H]ardOCP – London Buses Are Being Powered by a New Fuel: Coffee