The EPA is investigating a second emissions-control software program on Volkswagen AG cars that were rigged to pass pollution tests, one that the automaker may have failed to properly disclose.

BMW AG, Audi AG and Daimler AG will buy Nokia Oyjs digital-map unit for 2.8 billion euros ($3.1 billion) to gain technology for connected cars that will eventually be the basis for self-driving vehicles.

Ford Motor Co. will start offering Londoners a network of cars to share, rather than buy, in an effort to tap the growing market for on-demand driving.