When Naman Ajmera joined Los Angeles–based Envoy Mobility as a junior data analyst in 2019, electric vehicles (EVs) still represented a niche. Worldwide sales were just cresting 2.3 million that year. Fast-forward to 2023 and the International Energy Agency counts nearly 14 million electric cars sold—18 percent of all new cars globally—after a 35 percent year-on-year surge.