Earlier quoted context omitted.
I don't think that's completely true. I come from the Polish Silesia region which is full of heavy industry, and in my absolutely normal car I had to replace the cabin air filter every 6 months - it was just black with soot. Now I live in the UK and in my car here I've had the same filter for 2 years now and it's almost brand new - the difference in air pollution is massive and is definitely something I care about. A…
> the difference in air pollution is massive and is definitely something I care about. The one hour you spend in your car daily probably isn't going to mitigate what you're breathing in every day outside the car, if that's something you care about.
http://www.theguardian.com/environment/2015/jul/15/nearly-95...
> Nearly 9,500 people die early each year in London due to long-term exposure to air pollution, more than twice as many as previously thought, according to new research.
> The premature deaths are due to two key pollutants, fine particulates known as PM2.5s and the toxic gas nitrogen dioxide (NO2), according to a study carried out by researchers at King’s College London.
> The study – which was commissioned by the Greater London Authority and Transport for London – is believed to be the first by any city in the world to attempt to quantify how many people are being harmed by NO2. The gas is largely created by diesel cars, lorries and buses, and affects lung capacity and growth.