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Yao estimates aluminum prices will average $4,000 per metric tonne in the second half of 2026.—Davis Giangiulio, CNBC, 19 May 2026 Researchers discovered that the site’s 15,000 boreholes could naturally discharge over 140 tonnes of hydrogen annually — enough to sustain the yearly energy needs of more than 400 households.—Mrigakshi Dixit, Interesting Engineering, 18 May 2026 At Kamoa-Kakula, Ivanhoe has started producing copper anodes from a new smelter designed to process 500,000 tonnes a year, adding a power-hungry step to an operation already underserved by DR Congo’s electricity deficit.—Ruben Nyanguila, semafor.com, 6 May 2026 The driver of the three-tonne, five-meter-long speedboat was a local lagoon guide who had rented the boat for the day with his girlfriend.—Escher Walcott, PEOPLE, 29 Apr. 2026 See All Example Sentences for tonne
Word History
Etymology
French, from tonne tun, from Old French — more at tunnel