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One gram of deuterium-tritium fuel holds 90,000-kWh of energy or the equivalent of 11 tonnes of coal, so the prize is literally unlimited clean energy, or as much as would ever be wanted by humanity, for the rest of time.—David Szondy, New Atlas, 27 Jan. 2025 Major ports on the Yangtze, China’s longest river, are expected to post a total throughput of 4.02 billion tonnes of cargo this year, breaking the mark of 4 billion tonnes for the first time, according to navigation authorities.—Lori Ann Larocco, CNBC, 17 Jan. 2025 Working together, brands, suppliers, and organizations like Aii can help create the conditions necessary to facilitate a reduction of 100 million tonnes of carbon emissions across the apparel industry in the next five years.—Lewis Perkins, Sourcing Journal, 8 Jan. 2025 Theoretically, if 1,000 tonnes of CO2 is artificially pulled out of the ocean’s upper layer, the ocean will eventually draw down 1,000 tonnes of CO2 from the air.—IEEE Spectrum, 26 Dec. 2024 See all Example Sentences for tonne
Word History
Etymology
French, from tonne tun, from Old French — more at tunnel
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