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Ford researchers report detailed study of the effect of different ethanol blend levels on emissions from FFVs

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FTP cycle-weighted tailpipe emissions of N 2 O, NO x , and the sum of NMOG and NO x. The minimum in NO x and NMOG emissions for midlevel ethanol blends points to future opportunities for emission reductions from FFVs. Credit: ACS, Hubbard et al. Click to enlarge. E40); and the new range for high-level ethanol blends (E55, E80).

Emissions 294
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EPA Administrator Outlines Seven Key Themes for Agency in 2010 and Beyond

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EPA will also expand energy conservation and efficiency programs and continue to develop solutions for reducing GHG emissions from large stationary sources like power plants. Expanding the Conversation on Environmentalism and Working for Environmental Justice. Improving Air Quality. Cleaning Up Communities. Protecting America’s Waters.

EPA 170
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National Academies Report Examines Hidden Cost of Energy Production and Use in US; Estimates $120B in 2005

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That figure does not include damages from climate change, harm to ecosystems, effects of some air pollutants such as mercury, and risks to national security, which the report examines but does not monetize. Most vehicle and fuel combinations had similar levels of greenhouse gas emissions in 2005. Source: “Hidden Costs of Energy”.

2005 246