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GM Spring Hill to run on 100% solar power by 2022

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The energy will be supplied by a solar farm in Lowndes County, Mississippi, currently under development by Origis Energy. A green tariff agreement with the Tennessee Valley Authority is expected to supply up to 100 megawatts of solar energy per year, or the amount of electricity consumed by 18,000 United States households annually.

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Study Finds Ozone, Nitrogen Change the Way Rising CO2 Affects Earths Water

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Through a recent modeling experiment, a team of NASA-funded researchers have found that future concentrations of carbon dioxide and ozone in the atmosphere and of nitrogen in the soil are likely to have an important but overlooked effect on the cycling of water from sky to land to waterways. Cronin, J. Melillo, D. Kicklighter, C.

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PowerTrain to pay $2M penalty for selling nearly 80K engines that failed to meet Clean Air Act standards

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The US Environmental Protection Agency (EPA) and the US Justice Department (DOJ) announced that Mississippi-based PowerTrain, Inc. EPA estimates that the PowerTrain engines that were sold to the public caused excess emissions of hydrocarbons and nitrogen oxides, which contribute to the formation of ground-level ozone (smog).

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PowerTrain to pay $2M penalty for selling nearly 80K engines that failed to meet Clean Air Act standards

Green Car Congress

The US Environmental Protection Agency (EPA) and the US Justice Department (DOJ) announced that Mississippi-based PowerTrain, Inc. EPA estimates that the PowerTrain engines that were sold to the public caused excess emissions of hydrocarbons and nitrogen oxides, which contribute to the formation of ground-level ozone (smog).

Clean 186
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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. Rapeseed biodiesel as an example of the varied environmental impacts of a particular biofuel. Source: “Assessing Biofuels”. Click to enlarge.

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SCOPE Biofuels Project Releases Assessment on Environmental Effects of Biofuel Technologies

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A few studies also include other relevant impact indicators as acidification potential, eutrophication potential, ozone depletion potential and various toxicity potentials. Other observations included: Most studies only include energy consumption (sometimes only non-renewable energy, sometimes total energy) and CO 2 emissions.