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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). Furthermore, indirect emissions, such as those from refining and transport of the fuel, were included by adding 24% of the direct emissions.

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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