The news came by Slack message. Cruise CEO Marc Whitten, who took the top post in June, posted a message Tuesday afternoon in the company’s

I think this is more a recognition that autonomous vehicle technology is going to take a decade or more to provide driverless rides at a national scale,” said Phil Koopman, a

General Motors' decision to pull the plug on its troubled Cruise robotaxi business highlights the harsh reality facing others still in the race: it requires a long-term commitment to perfect the technology and deep pockets to fund it.