Driverless taxis run by artificial intelligence use less fuel than conventional ones‚ but the wider climate impacts are unclear. Credit: Allen J. Schaben/Los Angeles Times/Getty Artificial intelligence (AI) is already transforming the global economy. Companies are investing hundreds of billions of dollars each year in these technologies. In almost every sector‚ AI is being used to drive operational efficiencies‚ manage complexity‚ provide personalized services and speed up innovation. As...