source please https://www.marketwatch.com/story/gms-driverless-cars-unit-is-closing-in-on-googles-waymo-in-one-important-way-2018-02-02 https://www.marketwatch.

source please https://www.marketwatch.com/story/gms-driverless-cars-unit-is-closing-in-on-googles-waymo-in-one-important-way-2018-02-02 https://www.marketwatch.com/story/gms-driverless-cars-unit-i... https://arstechnica.com/cars/2018/02/waymo-now-has-a-serious-driverless-car-rival-gms-cruise/ https://arstechnica.com/cars/2018/02/waymo-now-has-a-serious... 15 seconds of googling