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Harvard/Nanjing study: China’s war on PM2.5 pollution is causing more severe ozone pollution

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In early 2013, the Chinese government declared a war on air pollution and began instituting stringent policies to regulate the emissions of PM 2.5. pollution is falling, harmful ground-level ozone pollution is on the rise, especially in large cities. Over the course of five years, PM 2.5 But the rapid reduction of PM 2.5 1812168116.

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Study: ozone levels higher across China than in other countries tracking the air pollutant

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In China, people breathe ozone-laden air two to six times more often than people in the United States, Europe, Japan, or South Korea, according to a new international study published in Environmental Science & Technology Letters. 2017 for one ozone metric. 2017 are included.

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California 2017 GHG inventory shows 1.2% total drop from 2016; transportation sector emissions up 1%

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In 2017, emissions from GHG emitting activities statewide were 424 million metric tons of CO 2 equivalent (MMTCO 2 e), 5 MMTCO 2 e lower than 2016 levels and 7 MMTCO 2 e below the 2020 GHG Limit of 431 MMTCO 2 e. Changes in emissions by Scoping Plan sector between 2000 and 2017. MMTCO 2 e (6%) from 2013 to 2017.

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Latest GHG Inventory shows California remains below 2020 emissions target; much steeper rate of GHG reductions required

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The California Air Resources Board released GHG emissions data for 2018 showing that emissions remain below 1990 levels but are effectively flat compared to 2017, while the economy grew by 4.3%. million metric tons in 2017. million metric tons between 2017 and 2018, the first such decline since 2013.

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

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In the first, they found that when fuel prices drove residents of São Paulo, Brazil, to mostly switch from ethanol to gasoline in their flexible-fuel vehicles, local ozone levels dropped 20%. Officials, Geiger said, will need to weigh the increase in ozone against the decrease in nanoparticles when ethanol is used.

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HEI: 95%+ of world’s population live in areas of unhealthy air

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Ozone, another important component of outdoor air pollution, whose levels are on the rise around the world, contributed to 234,000 deaths from chronic lung disease. Population-weighted seasonal average ozone concentrations in 2016. In China in 2013, the leading source contribution to deaths attributable to PM 2.5

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US EPA proposing allowing high-octane, higher ethanol content fuels as part of Tier 3 regs; E30 as example

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Having approval for such a high octane certification fuel would, the EPA proposed in the Tier 3 Notice of Proposed Rulemaking: help manufacturers that wish to raise compression ratios to improve vehicle efficiency, as a step toward complying with the 2017 and later light-duty greenhouse gas and CAFE standards (2017 LD GHG).

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