There’s a brand new buzz powering public buses in London.
British startup bio-bean has partnered with Shell (RDSB) and Argent Energy to create a coffee-based biofuel that will probably be utilized in London’s diesel buses.
The firm has produced 6,000 liters of espresso oil for the pilot undertaking with London’s transportation authority — sufficient to badist energy the equal of 1 metropolis bus for a yr.
“It’s a great example of what can be done when we start to reimagine waste as an untapped resource,” bio-bean founder Arthur Kay mentioned in a press release.
The startup collects used espresso grounds from cafes, eating places and factories, and transports them to its recycling facility. There, the grounds are dried earlier than espresso oil is extracted.
The espresso oil is then blended with different fuels to create B20 biofuel, which can be utilized in diesel buses with out modification.
“Spent coffee grounds are highly calorific and contain valuable compounds, making them an ideal feedstock from which to produce clean fuels,” the corporate says on its web site.
Bio-bean estimates that Britain produces 500,000 tonnes of espresso grounds a yr, most of that are discarded in landfills the place they will emit dangerous greenhouse gases.
The firm additionally sells “coffee logs,” that are utilized in fireplaces and stoves as a substitute for wood logs.
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Bio-bean mentioned there’s “no formal agreement” to proceed utilizing its espresso oil in London, however it hopes to rapidly discover new markets and purposes.
“There is huge potential for this project to expand in the U.S., which drinks the most coffee on the planet, 400 million cups of per day,” the corporate mentioned in a written badertion.
CNNMoney (London) First printed November 20, 2017: 9:02 AM ET