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Supreme Court curbs EPA authority to regulate CO2 from power plants

Green Car Congress

The issue here is whether restructuring the Nation’s overall mix of electricity generation, to transition from 38% coal to 27% coal by 2030, can be the “best system of emission reduction” within the meaning of Section 111. Under our precedents, this is a major questions case. . … For the reasons given, the answer is no.

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OnStar and Google demonstrate concept service for managing charging Chevrolet Volts with renewable energy

Green Car Congress

According to the US Energy Information Administration (EIA), US electricity generation in 2010 was 70% fossil fuels (coal 44.9%, natural gas 23.8%); 20% nuclear; and 10% renewable, of which 6.2% EIA forecasts that the mix in 2035 will shift to include 39% coal; 27% natural gas; and 16% renewables.

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CMU study finds controlled EV charging can reduce generation cost, but at greater health and environmental costs depending upon the generation mix

Green Car Congress

Results from the study also suggest that with sufficient coal plant retirement and sufficient wind power, controlled charging could result in positive net benefits instead of negative. The question of electricity costs vs. health and environmental cost is important to ask everywhere, Michalek said. Credit: ACS, Weis et al.

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