Tesla starts Semi production as diesel prices surge

Elon Musk announced on September 24, 2026 that Tesla has begun rolling out its electric Semi truck. He said electricity costs far less per mile than diesel, which averages $6.39 per gallon in the US. Logistics firm Forum Mobility reported over 330 Semis reserved at a single California depot, versus roughly 200 trucks currently in service.

• US diesel averages $6.39 per gallon, regular gas $4.41
• Over 330 Tesla Semis reserved at one California depot
• About 200 Semis are currently in service
• The 1.8 million sq ft factory targets 50,000 trucks per year