Amazon’s Zoox is debuting its driverless taxi service in Las Vegas, offering free rides to curious passengers. This high-tech gamble highlights both safety concerns and the promise of next-level urban transport in the city where everything is a wager.

Tesla is putting its autonomous driving technology to the test beneath Las Vegas, with human drivers still taking the wheel for safety. Despite the optimism around self-driving cars, a local executive notes that complete autonomy remains some distance away.