Elon Musk said to have turned down an offer from Uber

Tesla and Uber may be competitors in the self driving car race now, but according to a new book, the pair were almost teammates. The book, called'Wild Ride', has revealed that Uber CEO Travis Kalanick approached CEO Elon Musk with a proposition to form a partnership in self-driving cars last year. However, Kalanick's idea was deemed unrealistic by Musk, who advised the Uber founder to focus on his own platform, according to Bloomberg. The book, called'Wild Ride', has revealed that Uber CEO Travis Kalanick approached CEO Elon Musk (pictured) with a proposition to form a partnership in self-driving cars last year. However, Kalanick's idea was deemed unrealistic by Musk, who also advised the Uber founder to focus on his own platform'Wild Ride: Inside Uber's Quest for World Domination', written by Adam Lashinsky, claims to highlight the'full story behind Uber' that'has never been told'.