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

Green Car Congress

Comparison of proposed Keystone XL route to previously proposed project segment. Aside from the potential construction and spill impacts of the pipeline, the scope of the climate change impacts have become the most contentious and politicized issue surrounding the pipeline. Source: Draft SEIS. Click to enlarge. Earlier post.)

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Stress Levels Revealed in Micro-Beads of Sweat

Cars That Think

Sometimes climatic conditions don't lend themselves to creating enough sweat to analyze. The technology, developed by Dallas-based EnLiSense LLC and the University of Texas at Dallas , is promising enough that the U.S. But translating raw perspiration into "sweat equity" in real time in everyday life is not an easy task.

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First drive: Volkswagen 2015 Golf SportWagen

Green Car Congress

VW of America is hosting a media drive in a rainy Austin, Texas this week to introduce the new model. Comparison of city and highway fuel economy ratings for select MY2015 station wagons, using data from the fueleconomy.gov website. The Lighting and Driver Assistance packages are available on the SEL as well. Earlier post.)

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Argonne analysis shows greenhouse gas emissions similar for shale, conventional oil

Green Car Congress

The research, conducted by Argonne researchers in collaboration with Stanford University and the University of California, Davis, analyzed the Eagle Ford shale formation in Texas and the Bakken play mainly in North Dakota. Light crude oil trapped in rock, such as shale, is called tight oil.

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Flash Drive: 2022 Toyota Tundra

Clean Fleet Report

This is what Toyota has done with the all-new 2022 Tundra, which we previewed in a Texas-based drive program last week. All trim levels get LED headlights, while the upper grades get LED daytime running lights with sequential turn signals, and LED fog lights. If that vehicle happens to be a full-size pickup, then all the better.

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PNNL team develops higher-strength, lower-cost titanium alloy aimed at improving vehicle fuel economy and reducing CO2 emissions

Green Car Congress

b) Comparison of tensile strength and strain to failure (elongation) of Ti-185 alloy with other commercially available Titanium alloys. a) Ultimate tensile and yield strength of Ti-185 for three STA conditions. (b) The graph in (b) is plotted using CES Selector software, Granta Design, Cambridge, UK.

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Gallium Nitride and Silicon Carbide Fight for Green Tech Domination

Cars That Think

Can advanced semiconductors cut emissions of greenhouse gases enough to make a difference in the struggle to halt climate change? Starting around 2001, the compound semiconductor gallium nitride fomented a revolution in lighting that has been, by some measures, the fastest technology shift in human history.

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