Here Are the Top 10 Least-Polluting New Vehicles in Canada Via the handy Energuide, we present the 10 “cleanest” new combustion-engine vehicles available in 2021

7th place: Kia Niro PHEV (56 g CO2/km driven)

Without making too many waves, the Kia Niro EV appeals to motorists looking for a practical, comfortable and very fuel-efficient vehicle. And, as reflected by its presence on this list, it does pretty well on the carbon dioxide emissions front too!