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Study finds São Paulo switch from ethanol to gasoline dropped local ozone levels by 20%, increased CO and nitric oxide concentrations

Green Car Congress

APRIL 29, 2014

A study by a pair of researchers at Northwestern University found that when fuel prices drove residents of São Paulo, Brazil, to switch from ethanol to gasoline in their flexible-fuel vehicles, local ozone levels dropped 20%. Ozone levels are relatively high in São Paulo, with hourly concentrations above 75 and 125 µg m ?

Ozone

Ozone Gasoline Pollution Gasoline-Electric

Flying first class on a single domestic round trip can contribute more greenhouse gas emissions than a year of driving

Green Car Congress

JULY 1, 2019

airline (San Francisco to Santa Rosa); the longest flight within the continental United States (Seattle to Miami); and the longest flight in the world (New York to Singapore). Michael Sivak is the managing director of Sivak Applied Research and the former director of Sustainable Worldwide Transportation at the University of Michigan.

Emissions

Emissions Los Angeles Gas San Francisco

EV Driven

Study finds São Paulo switch from ethanol to gasoline dropped local ozone levels by 20%, increased CO and nitric oxide concentrations

Flying first class on a single domestic round trip can contribute more greenhouse gas emissions than a year of driving

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