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PSI team develops web tool for consumers to compare environmental impact of passenger cars in detail

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The system will graph lifecycle impact for a range of specified powertrains, for a large number of impact categories: Climate change [kg CO 2 -eq.]. Depletion of fossil energy resources [kg oil-eq.]. Deterioration of the ozone layer [kg CFC-11-eq.]. Primary energy, non-renewable [Megajoule]. in review).

Mariner 435
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EPA proposes new standards to reduce methane and VOCs emissions from oil and gas industry

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The US Environmental Protection Agency (EPA) released its latest set of proposed standards to reduce emissions of methane and volatile organic compounds (VOCs) from the oil and natural gas industry. The proposal also includes incentives to spur the oil and gas industry to minimize leaks.

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MIT study finds including non-CO2 emissions from synthetic aviation fuel in lifecycle analysis of climate impact can lead to decrease in relative environmental merit; need for a holistic analysis framework

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Aviation climate change impacts pathway. In the months following a pulse of NO x in the upper atmosphere, ozone production is stimulated causing a short-term warming. The corresponding reduction in CH 4 , which is an important ozone precursor, leads to a long-term reduction in ozone. Credit: ACS, Stratton et al.

MIT 273
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California 2017 GHG inventory shows 1.2% total drop from 2016; transportation sector emissions up 1%

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It does not include emissions from petroleum refineries and oil production. Biofuels such as ethanol, biodiesel, and renewable diesel can displace fossil fuels and reduce the amount of fossil-based CO 2 emissions released into the atmosphere. Source: ARB. MMTCO 2 e (6%) from 2013 to 2017.

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California ARB moves forward with climate and air quality actions

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Approximately 70% of the reductions needed to meet the ozone standard in the South Coast in 2031 would come from existing or proposed regulatory actions. Reducing these pollutants can have a more immediate beneficial impact on climate change, and reduces harmful toxins, such as cancer-causing particulates, in California communities.

Climate 199
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Test of Planet-Cooling Scheme Could Start in 2022

Cars That Think

Up there, 10 to 50 kilometers above the Earth’s surface, ozone molecules absorb the sun’s ultraviolet light, protecting life far below. Even less is understood about the potential risks to people and the environment—could the particles deplete the ozone layer, for example, or significantly alter the weather? Research takes a long time.

Ozone 113
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California Air Resources Board posts revised draft of strategy to reduce “Super Pollutants”

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SLCPs may account for an estimated 40% of global warming, increasing the impacts of climate change. The major sources of methane in California are livestock (~30% of the state’s methane emissions), followed by landfills and oil and gas production. CO 2 remains in the atmosphere for up to a century.

Pollution 150