https://techcrunch.com/2020/06/10/tesla-shares-surpass-1000-on-semi-truck-production-memo/

Tesla CEO Elon Musk said in a memo its time to “go all out” and start volume production of the Tesla Semi, the all-electric Class 8 truck revealed nearly three years ago.

CNBC first reported on the memo that was sent to all employees. TechCrunch has also viewed the brief memo, which lacked details such as when this volume production might begin. Musk confirmed via Twitter that the memo was real.