Remove 2000 Remove Oil Remove Ozone Remove Transportation
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California 2017 GHG inventory shows 1.2% total drop from 2016; transportation sector emissions up 1%

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Changes in emissions by Scoping Plan sector between 2000 and 2017. The transportation sector remains the largest source of GHG emissions in the state, and saw a 1% increase in emissions in 2017. The transportation sector represents tailpipe emissions from on-road vehicles and direct emissions from other off-road mobile sources.

2017 230
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Study finds rising temperatures increase risk of unhealthy ozone levels absent sharp cuts in precursors

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Ozone pollution across the continental United States will become far more difficult to keep in check as temperatures rise, according to new work led by the National Center for Atmospheric Research (NCAR). Ozone formation. Even short periods of unhealthy ozone levels can cause local death rates to rise. Scenario A2 and RCP 8.5.

Ozone 199
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MIT study says combustion emissions cause ~200,000 premature deaths/year in US; vehicles and power generation top sources

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Annual average concentrations of fine particulates from US sources of combustion emissions from (a) electric power generation; (b) industry; (c) commercial and residential sources; (d) road transportation; (e) marine transportation; (f) rail transportation; (g) sum of all combustion sources; (h) all sources. Source: MIT.

MIT 378
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PSI team develops web tool for consumers to compare environmental impact of passenger cars in detail

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Depletion of fossil energy resources [kg oil-eq.]. Deterioration of the ozone layer [kg CFC-11-eq.]. The user also selects the country where the vehicles are to be used—because this differentiates the electricity mix for electric cars—as well as the year, between 2000 and 2050, when the cars will be registered.

Mariner 435
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California Air Resources Board posts revised draft of strategy to reduce “Super Pollutants”

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California has already cut anthropogenic black carbon emissions by more than 90% since the 1960s, and existing measures are projected to cut mobile source emissions by 75% and total anthropogenic emissions by nearly 60% between 2000 and 2020. CO 2 remains in the atmosphere for up to a century.

Pollution 150
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Critical review finds actual measurement data on segments of natural gas lifecycle sparse or lacking

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Between 2000 and 2011, the number of producing gas wells in the US increased by 50%, reaching 514,637. processing, transport, end-use) as conventional natural gas, and the atmospheric impacts are indistinguishable between the two forms. Once out of the ground, however, unconventional natural gas is subject to the same fate (e.g.,

Gas 218
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UNEP Report Calls for More Sophisticated Approach to Developing Biofuels; Limitations of Current LCA Studies

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Here, RME show advantages for primary energy and GHG, but disadvantages in terms of acidification, eutrophication and ozone depletion. World Transport Biofuel Production. World ethanol production for transport fuel tripled between 2000 and 2007 from 17 billion to more than 52 billion liters (13.7 Click to enlarge.

Ozone 186