Tiny particles increase in air with ethanol-to-gasoline switch
18-Jul-2017 -
The concentration of ultrafine particles less than 50 nanometers in diameter rose by one-third in the air of São Paulo, Brazil, when higher ethanol prices induced drivers to switch from ethanol to gasoline, according to a new study by a Northwestern University chemist, a National University of ...
air pollution
atmospheric chemistry
environmental protection
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