For many of us, our mornings are incomplete without a hot cup of coffee, but soon that cup of java could power more than just our bodies. Scientists at the University of Bath in the United Kingdom discovered that coffee grounds are also a great source for producing biodiesel.
The process involves extracting oil from coffee grounds by soaking them in a solvent before using a technique called transesterification to turn the oil into biodiesel. Interestingly, the research concluded that for every 22 pounds of leftover grounds produced by a coffee shop, the conversion process can yield about two liters (or half a gallon) of biofuel.
It doesn’t sound like much, but on a larger scale it could be enough to run a small vehicle everyday. Considering it runs on something that you’d normally just throw away, it’s quite the achievement.
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[via Dailymail]
