Fiery Tesla Semi Crash in California Draws US Safety Probe (1)

The US National Transportation Safety Board opened an investigation into the recent crash and fire of a Tesla Inc. Semi truck in what is believed to be the first probe involving the company’s electric big rig.

The Tesla Semi ran off the road on Interstate 80 near Emigrant Gap, California, around 3 a.m. Monday. No one was injured, but the vehicle caught fire and ignited nearby brush, closing the freeway in both directions for several hours.

Tesla makes the Semi at its factory near Reno, Nevada, and uses the vehicle to transport parts to its auto plant in the San ...