Wake Up and Smell the Traffic? London Tries Coffee to Power Buses
The project is a collaboration between Bio-bean, a startup, and Royal Dutch Shell. "The first batch of 6,000 liters, or about 1,580 gallons, would power one bus for a year, Bio-bean said in a news release. According to official figures in 2015, London’s buses used 240 million liters of diesel fuel a year.
Given the tiny proportion of coffee-based oil in the bus fuel, there was no immediate, empirical indication that the noisome whiff of central London’s air would turn into the alluring aroma of, say, a Roman cafe, or even a Starbucks. Coffee-based oil does have a strong smell of coffee, Bio-bean said, “but once it is processed, distilled, blended and mixed with mineral diesel, that odor is removed."
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