Exposure if higher in the car: https://www.dailymail.co.uk/news/article-2746925/Why-suffer-pollution-driving-car-walking-street.html https://www.dailymail.co.u

Exposure if higher in the car: https://www.dailymail.co.uk/news/article-2746925/Why-suffer-pollution-driving-car-walking-street.html https://www.dailymail.co.uk/news/article-2746925/Why-suffer-...