Driving” mode is being investigated by U.S. authorities following a series of crashes, including one accident that killed a pedestrian.

The National Highway Traffic Safety Administration's evaluation is the first step toward a potential recall of 2.4 million Tesla vehicles

The world watched with mild interest as Tesla boss Elon Musk unveiled his vision for our autonomous future at a glitzy event in Los Angeles last week. The launch included the unveiling of an autonomous bus,