2018 Hyundai Ioniq Hybrid winter gas mileage review

2017 Hyundai Ioniq HybridNearly a year ago, we published a gas-mileage review on the Hyundai Ioniq Hybrid, the South Korean brand's Toyota Prius challenger. We saw 49.5 miles per gallon over 565 miles of driving. Now, we've tested the Ioniq Hybrid in more extreme conditions, on the cold, wintry roads of Detroit, Michigan. Not only did we cover exactly 400 miles on those...