The 2018 Hyundai Ioniq Hybrid is the most fuel-efficient car in America. Its the hybrid that doesn't look or drive like a hybrid, with an aerodynamic design with a 0.24 Cd gives it an EPA-estimated 58 combined MPG. With automatic projector headlights, integrated rear spoiler with LED center high-mount stop light and a standard rearview camera, youre covered however you look at it. The Ioniq Hyb...