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State Department issues Draft Supplemental Environmental Impact Statement on Keystone XL Pipeline: climate change impacts

Green Car Congress

The US Department of State (DOS) has released its Draft Supplemental Environmental Impact Statement (SEIS) in response to TransCanada’s May 2012 application for the Keystone XL pipeline that would run from Canada’s oils sands in Alberta to Nebraska. Greenhouse gas LCA analysis. What Keystone XL would carry. Earlier post.)

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EIA releases report on CO2 emissions by state; California led in 2010 with transportation-sector emissions

Green Car Congress

To the extent that fuels are used in one state to generate electricity that is consumed in another state, emissions are attributed to the former rather than the latter. California consistently imports about 30% of its electricity and natural gas is the dominant fuel for the electricity that it generates internally.

2010 236
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Study casting doubt on GHG benefits of corn stover ethanol draws sharp criticism by other researchers; Liska responds

Green Car Congress

A study published earlier this year in the journal Nature Climate Change that cast doubt on whether biofuels produced from corn residue could meet federal mandates for cellulosic biofuels to reduce greenhouse gas emissions by 60% compared to gasoline ( earlier post ) has drawn critical response published as correspondence in the same journal.

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Study finds removing corn residue for biofuel production can decrease soil organic carbon and increase CO2 emissions; may miss mandated 60% GHG reduction

Green Car Congress

Using corn crop residue to make ethanol and other biofuels reduces soil carbon and under some conditions can generate more greenhouse gases than gasoline, according to a major, multi-year study by a University of Nebraska-Lincoln team of researchers published in the journal Nature Climate Change. —Liska et al.

Carbon 220
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Gas War: 25 States Sue EPA Over Updated Emissions Regulations

The Truth About Cars

Grievances include claims that the executive branch is unconstitutionally manipulating the marketplace by setting requirements higher than manufacturers can adhere to, effectively mandating sales of electric vehicles that have been broadly unpopular in the United States. Court of Appeals for the District of Columbia Circuit last week.

EPA 98