Firefighters in California had to use about 50,000 gallons of water to extinguish a fire caused by a battery in a Tesla Semi truck after a crash on August 19 along Interstate 80, near Emigrant Gap, approximately 70 miles northeast of Sacramento. According to the National Transportation Safety Board (NTSB), the truck’s battery reached temperatures of up to 1,000 degrees Fahrenheit during the fire. Firefighters also used an aircraft to drop fire retardant in the area as a precaution. The crash occurred at around 3:13 a.m. when the Tesla Semi, being driven by a Tesla employee from Livermore to a facility in Sparks, Nevada, left the road while navigating a curve and struck a tree. The driver was not injured, but the truck’s large lithium-ion battery ignited.

The NTSB launched an investigation into the crash to assess fire risks related to the truck’s battery. It was confirmed that Tesla’s automated driving systems were not active during the crash. Firefighters closed the freeway for 15 hours to ensure the battery was cooled enough to safely recover the vehicle. After the truck was taken to an open-air facility, it was monitored for 24 hours to prevent potential reignition. The NTSB will continue its investigation and plans to issue safety recommendations, particularly for first responders, addressing the dangers posed by high-voltage battery fires in electric vehicles and the need for improved manufacturer guidelines.