As automotive consumers, we think we�re pretty well informed. We read all the blogs and all the magazines, pouring over the all important numbers: 0 to 60 times, miles per gallon and � increasingly � CO2 emissions. That last one is interesting, as it�s only come to the mainstream public�s attention in the last seven years or so. Anyone would think that the only noxious chemical cars put into the atmosphere are CO2, but you�d be wrong.
Nitrogen oxides (NOx), hydrocarbons, diesel particulates and carbon monoxide are also put out by our daily drivers. Think of the worst parts of cigarette smoke and the fumes from burning plastic and you�ll have a good idea what I mean. Premature births, lung cancer and smog � all attributable to these noxious chemicals.
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