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

5th place: Toyota Prius Prime (49 g of CO2/km driven)

Here's a regular presence on the low-emissions vehicles charts, and it has been so for seemingly forever. Quite frankly, the Toyota Prius Prime really doesn't need any introduction anymore. You might not like its quirky looks, but its eco-friendly bonafides are simply beyond question.

See also: 2021 Toyota Prius Prime Review: What's New with Everyone’s Favourite Ugly Duckling?