>I'll keep my very efficient Audi diesel car (79g/km CO2) for now thanks. Diesel vehicles emit a lot more NO2, as well as particulates that damage the lungs. S

>I'll keep my very efficient Audi diesel car (79g/km CO2) for now thanks. Diesel vehicles emit a lot more NO2, as well as particulates that damage the lungs. Sure, it's less CO2 than gasoline cars, but is it worth it for urban air quality?