Taco truck halts GM autonomous car's cruise through...

A self-driving General Motors Co Bolt slowly drove more than two miles through crowded San Francisco streets in its media debut on Tuesday, but double-parked cars and orange traffic cones tripped up the computer driver, and a taco truck stumped the machine. GM's self-driving unit, Cruise Automation, gave reporters rides on Tuesday, the first public roadtrips for non-employees in its cars which have been tested in San Francisco, Phoenix and Detroit. Major automakers as well as technology leaders like Alphabet Inc and Intel Corp have poured billions into autonomous vehicle research, although fully self-driving cars are a work in progress. GM's self-driving unit, Cruise Automation, gave reporters rides on Tuesday, the first public roadtrips for non-employees in its cars which have been tested in San Francisco, Phoenix and Detroit Robo-taxi service is seen as the main use for most self-driving vehicles, including the Bolt. 'Our mission is to bring this technology to commercial deployment at scale, with safety, as soon as we humanly can do that,' GM President Dan Ammann told reporters.