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The Return of Sail Power: Cargo Ships Are Turning Back to the Wind

193 points · 136 comments · gumby

  1. WalterBright · · focus · HN ↗
    This seems to happen once every 20 years.
    1. mschuster91 · · focus · HN ↗
      About the same frequency the US starts a major war or oil prices skyrocket for someone else's war. 20-ish years ago was the Iraq 2 war. 20-ish years before that was Iraq 1. Now it's the unholy combination of Ukraine beating Russia's refineries and US/Israel striking Iran.

      And the higher oil prices go, the more people are interested in saving oil.

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