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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. What Keystone XL would carry. Greenhouse gas LCA analysis. Source: Draft SEIS.

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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

Contribution of modeled CO 2 emissions from SOC to the life cycle of biofuel from corn residue. The findings cast doubt on whether biofuels produced from corn residue can be used to meet federal mandates for cellulosic biofuels to reduce greenhouse gas emissions 60% compared to gasoline. Changes in SOC. Liska et al.

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State Department releases Keystone XL Final Supplemental Environmental Impact Statement

Green Car Congress

Incremental well-to-wheels GHG emissions from WCSB Oil Sands Crudes Compared to Well-to-Wheels GHG Emissions from Displacing Reference Crudes Click to enlarge. MMTCO 2 e emissions would be equivalent to GHG emissions from approximately 300,000 passenger vehicles operating for 1 year, or 71,928 homes using electricity for 1 year.

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Gas War: 25 States Sue EPA Over Updated Emissions Regulations

The Truth About Cars

Over two dozen states have joined forces to sue the Environmental Protection Agency (EPA) over proposed vehicle emissions regulations put forward by the Biden administration in March. Additionally, the states have alleged these changes would hurt domestic employment while simultaneously raising the average price of vehicles.&

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