Soren Dixon, 19, Jack Nelson, 20, and Krysta Tsukahara, 19 — suffered major burns and blunt force trauma and were pronounced dead at the scene.

The California Highway Patrol investigation into the tragic and fiery crash of a Cybertruck in Piedmont late last November that killed three young people was caused by "a combination of driving under the influence of drugs and unsafe speed.

Drug use and excessive speed were to blame for last year's fiery crash of a Tesla Cybertruck that killed three college students near San Francisco, the California Highway Patrol said in a preliminary report.