Volkswagen (VOWG_p.DE), opens new tab is sticking with plans to launch 25 electric vehicle models in North America across its group brands by 2030, but is ready to adjust as the market shifts, Pablo Di Si, head of Volkswagen's North American business, told Reuters on Thursday.

A U.S. auto safety regulator said on Friday it is opening an investigation into 73,000 Chevrolet Volt plug-in hybrid cars over reports of abrupt loss of power, failures to restart and other issues.