Green Car Reports’ top 10 greenest cars for 2019

2019 Hyundai Ioniq ElectricEfficiency went further and farther for 2019 model-year vehicles in almost every sense of the two words. Green Car Reports’ top 10 fuel-efficient vehicles all have one thing in common: plugs. But where they go from there is anything but common among the vehicles. The most efficient vehicles on our list did more with their energy than the...