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

Green Car Congress

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. This lockstep movement illustrates a very tight correlation between fuel choice and nanoparticles in the air. The study is published in the journal Nature Communications.

Gasoline 150
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Devil in the Details: World Leaders Scramble To Salvage and Shape Copenhagens UNFCCC Climate Summit

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“ One Agreement, Two Steps ” Expectations for Copenhagen quickly became complicated after Danish Prime Minister Lars Løkke Rasmussen boarded an overnight flight to Singapore to address an impromptu breakfast forum on climate change at the Asia Pacific Economic Co-operation (APEC) summit on 15 November. Earlier post.) and 5.0%.

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Satellite Imagery for Everyone

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Sarah Parcak of the University of Alabama, for example, uses satellite imagery to locate archaeological sites of interest. There are also a few large Asian providers, such as SI Imaging Services in South Korea and Twenty First Century Aerospace Technology in Singapore. Maxar and Planet in the United States and Airbus in Germany.