Oil giant Shell has teamed up with biofuel firm bio-bean to power several London buses with processed waste coffee grounds. As the biofuel can be used like regular fuel, the buses do not have to be modified in any way. The B20 fuel, containing 20 percent bio-component, partly works with the help of coffee oil.
“Our Coffee Logs have already become the fuel of choice for households looking for a high-performance, sustainable way to heat their homes — and now, with the support of Shell, bio-bean and Argent Energy have created thousands of litres of coffee-derived B20 biodiesel which will help power London buses for the first time,” commented bio-bean founder Arthur Kay. “It’s a great example of what can be done when we start to reimagine waste as an untapped resource.”CleanTechnica
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