Natural gas is clean, apart from CO2. And if the glass is reused, you don't need... | Hacker News

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		chairmansteve 7 days ago \| parent \| context \| favorite \| on: University of Alabama Engineer Pioneers New Proces... Natural gas is clean, apart from CO2. And if the glass is reused, you don't need so many factories.

asdff 6 days ago [–]

I forgot about leaving bottles for the milk man. Certainly a more expensive way of doing business than a one off bottle you don’t have to collect and clean though.

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