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USGS investing more than $5.8M in critical-minerals mapping in Alaska

Green Car Congress

million to map critical-mineral resources in Alaska in partnership with the Alaska Division of Geological & Geophysical Surveys. million through the USGS to advance scientific innovation and map critical minerals vital to the nation’s supply chains, national defense and economy. The US Geological Survey (USGS) will invest more than $5.8

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Tula Technology reports up to 18% fuel economy gain in GM 6.2L V8 using Dynamic Skip Fire technology; emissions benefits too

Green Car Congress

In a paper presented at the 2016 SAE World Congress, Tula Technology, developer of Dynamic Skip Fire (DSF) cylinder deactivation technology, reported significant fuel economy gains of up to 18% over a conventional GM 6.2-liter The base engine is used by General Motors in many applications, among them, the 2010 GMC Yukon Denali.

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Details on GM’s new efficient top-end 8-speed automatic

Green Car Congress

The 8L90, the replacement for the venerable 6L80 six-speed in GM’s lineup, is offered as well as standard on 2015 Chevrolet Silverado, GMC Sierra and GMC Yukon Denali/Yukon XL Denali models equipped with the 6.2L increase in fuel economy over the previous six-speed automatic—and a quicker 0-60 time of 3.7 milliseconds.

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