(Reuters) - Google Inc said it had started testing the latest prototypes of its self-driving cars on Mountain View, California roads, with safety drivers aboard.
The prototypes will join Google's Lexus cars, which use the same self-driving software, the company said in a blog post on Thursday. (http://bit.ly/1GKVqur)
Google's self-driving Lexus RX450h sport utility vehicles have been in operation for several years.
(Reporting by Anya George Tharakan in Bengaluru; Editing by Savio D'Souza)