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the sustainable use, production, and storage of energy, through efficiency, conservation and renewable resources. Use this tag for questions on energy in general.
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What is the most sustainable way of making coffee?
Espresso Machines may use more energy per volume because it heats the water hotter and uses a pump. … If you already have a fridge, this method uses virtually no energy to make the coffee. Of course, it still takes energy to roast, grind, and transport the beans. …