
How toxic is your car exhaust? - danseagrave
http://www.bbc.co.uk/news/resources/idt-sh/how_toxic_is_your_car_exhaust
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JdeBP
Duplicates
[https://news.ycombinator.com/item?id=15489187](https://news.ycombinator.com/item?id=15489187)
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