-Biofuel made using waste products such as tallow from meat processing and cooking oil had already supplied in numerous capital's 9,500 buses.
Waste coffee grounds will be used to make biofuels to power some of London's buses from today, according to a media report.
So far, 6,000 litres of coffee oil has been produced, which, if used as a pure-blend for the bio component and mixed with mineral diesel to form a B20, could help power the equivalent of one London bus for one year.
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"Spent coffee grounds are highly calorific and contain valuable compounds, making them an ideal feedstock from which to produce clean fuels", the company says on its website.
The announcement said that by decreasing emissions, the new B20 biofuel supplies a cleaner and sustainable energy solution to buses. A good idea can come from anywhere, but with the scale and commitment of Shell, we can help enable true progress. The company is already working with the likes of Costa and Network Rail to create a supply of waste coffee grounds. Bio-bean estimates that this waste could emit up to 126 million kg of CO2.
The grounds are dried and processed before coffee oil is extracted. bio-bean works with its fuel partner Argent Energy to process this oil into a blended B20 biofuel. Bio-Bean also offers bio-mass pellets and Coffee Logs, which can be used on stoves and open fires.
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But coffee-derived biofuel will be officially added to the capital's public transport vehicles for the first time on Monday.
Londoners create 200,000 tonnes of coffee waste a year, according to bio-bean.
Bio-bean founder Arthur Kay enthuses that this innovative way of powering public transportation is essential to curbing emissions. No other reproduction or distribution is permitted without prior written consent.
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