Vehicles produce CO2 when they use fuel. The amount of CO2 produced is directly linked to how much fuel it consumes. Excess levels of CO2 can be harmful to humans and the environment.

B-cars may be relatively rare in the American market, with the Honda Fit and Toyota Yaris among the few available choices, but in the rest of the world the small and practical vehicles are big ...

I think you've done well to get that deal. The problem you now have with the engine could well have started with the earlier thermostat problem, so getting a deal to fix the engine now at a modest ...