Amazon Invests in Electric-Car Maker Rivian

Online retailer leads $700 million investment round, following on its bets on driverless technology

Amazon.com Inc. has climbed aboard the electric-vehicle bandwagon, leading a $700 million investment round for Rivian Automotive LLC, the car-making startup said Friday.

“We’re inspired by Rivian’s vision for the future of electric transportation,” Jeff Wilke, chief executive of Amazon’s world-wide consumer division, said in prepared remarks.

Amazon...