Ethanol creates more bad air: study

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.