Just one day removed from General Motors (GM - Get Report) saying it would focus on the development of self-driving car systems, the automaker is in talks with Uber to further the initiative.

GM's self-driving car unit, Cruise, is in discussions to debut fully autonomous vehicles for Uber consumers in San Francisco by 2018, the Information has learned.

Shares of GM were rising nearly 1% in midday trading on Wednesday following the report. 

The move is a backtrack from previous commitments GM had entered into with Uber's chief U.S. rival Lyft. In 2016, GM announced that it would invest roughly $500 million into Lyft to develop self-driving cars.

Those talks may have stalled, in part, because of Lyft announcing in August that it planned to develop its own autonomous-car development unit.

The reported interest in Uber also follows statements from GM's President Dan Ammann committing to autonomous vehicle technology.

"The approach that we are taking to that is to control a lot of that system ourselves because it allows us to move more quickly," Ammann said at the Wall Street Journal's WSJD.Live technology conference Tuesday.

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