Cars Running on Single Serve Coffee Biodiesal Could Happen
Throwing away all of those single serve coffee grounds might not be the thing to do in a gasified coffee future where biodiesal for cars is mixed with coffee grounds. The idea of creating biodiesel from coffee grounds goes back several years, and the process works by soaking the grounds in an organic solvent and then putting them through a process called transesterification.
Coffee ground-based biofuel could be revolutionary. By just using the coffee grounds in neighborhood coffee shops, you could get 22 pounds (10kg) of grounds a day could make about half a gallon of biofuel (2 liters). While that's a relatively small amount, it's from a source that would otherwise usually just be thrown away. Also, imagine just collecting all the used single serve coffee pods (Green Mountain is doing this today with several programs), and not just composting but using it to make fuel. You can read the abstract here.
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Posted by Jay Brewer at June 26, 2014 7:49 AM