Nikola began production of the Tre hydrogen fuel cell electric truck July 31 at its Coolidge, Ariz., factory, the company said. Phoenix-based Nikola paused production at the Coolidge complex in late May for a retooling. Previously, the plant manufactured Tre battery-electric trucks. When announcing the company\u2019s first-quarter 2023 earnings May 9, Nikola said BETs would only be available on a \u201cbuild-to-order\u201d basis henceforth and its efforts would now be focused on fuel cell electric vehicles.\xa0\nLearn more about your ad choices. Visit podcastchoices.com/adchoices