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The numbers I've seen say that glass uses less energy than plastic. 100% recycled aluminum beats glass, but a more realistic mix, or virgin aluminum, uses more
by femto 7y ago
The numbers I've seen say that glass uses less energy than plastic. 100% recycled aluminum beats glass, but a more realistic mix, or virgin aluminum, uses more energy than glass.
https://www.lowtechmagazine.com/what-is-the-embodied-energy-of-materials.html https://www.lowtechmagazine.com/what-is-the-embodied-energy-...
- ac29 7y agoGlass uses less energy per kilogram by a factor of 3 or so, according to your source. But plastic bottles use an order of magnitude or two less material, so still use less energy per bottle.