LIVETechnology news rolling coverageStarted: March 19, 2026, 12:00 AM EDTUpdated: March 19, 2026, 3:42 PM EDT Tesla's Terafab: In-House Chipmaking Could Reshape Supply Chain March 19, 2026, 3:42 PM EDT. Tesla is launching **Terafab**, its own **semiconductor fabrication unit**, to secure custom chips for **robotics** and **AI** without relying on **Taiwan Semiconductor (TSMC)**. The move marks a shift beyond electric vehicles into in-house chip production, aiming to reduce supply delays as autonomous systems such as Cybercab and Optimus move toward commercialization. While few specifics have been disclosed, analysts say Terafab could lower exposure to external vendors and reshape capital expenditure,