2017, Emissions, Ozone and Singapore

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2017

Emissions

Ozone

Singapore

São Paulo study finds concentration of ultrafine particulates rose by 1/3 in switch from ethanol to gasoline

Green Car Congress

JULY 17, 2017

Geiger and Alberto Salvo, an associate professor of economics at the National University of Singapore, led the study—their second with São Paulo big data. Officials, Geiger said, will need to weigh the increase in ozone against the decrease in nanoparticles when ethanol is used.

Gasoline

Gasoline Singapore Brazil Ozone

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

This analysis examined the effect of flight distance on greenhouse gas emissions per passenger, and compared emissions from flying different distances with annual emissions from driving. Greenhouse gas emissions were examined for 17 nonstop flights with round-trip distances ranging from 131 miles to 19,040 miles.

Emissions

Emissions Los Angeles Gas San Francisco

EV Driven

São Paulo study finds concentration of ultrafine particulates rose by 1/3 in switch from ethanol to gasoline

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

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