2017 Hyundai Ioniq Electric Steals Energy Efficiency Title From Toyota Prius Prime
While the 2017 Toyota Prius Prime plug-in hybrid managed to take the title of “most energy efficient car” just a few months ago, it’s already lost it — the 2017 Hyundai Ioniq Electric has managed to outperform Toyota’s offering and all other cars on the market according to the US EPA’s testing system.