Smog trouble: A recent study found that concentrations of the air pollutant, ozone, got worse as ethanol use rose. - AFP
A study in Sao Paulo, Brazil, has found more ozone in the local environment as more drivers use ethanol, although the opposite was predicted.
SCIENTISTS have made a surprising discovery about ethanol: The more it was used by drivers in Sao Paulo, Brazil, the more ozone they measured in the local environment.
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