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USC study shows promising potential for giant-kelp-based biofuel with depth-cycling approach

Green Car Congress

physically moving the macroalgae between deep nutrient-rich water at night and shallow depths within the photic zone during the day to optimize growth. 13 C values suggesting that the depth-cycled kelp were not nitrogen-deficient and assimilated nutrients from deep water. The researchers used a depth-cycling approach—i.e.,

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Obama Administration recommends designating most of Arctic National Wildlife Refuge as Wilderness

Green Car Congress

Wilderness” (with a capital “W”) refers to designated Wilderness areas, with accompanying restrictions.) million acres of land and water in northeastern Alaska and is administered by the US Fish and Wildlife Service (Service) as a unit of the National Wildlife Refuge System). Source: FWS. Click to enlarge. Background.

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Video Friday: Autonomous Drift

Cars That Think

In contrast to our previous multi-contact videos where contact points for the feet and hands had to be specified manually by the user, this time all contacts are autonomously planned by the robot itself based on the perceived environment. [ The ballbot is actively compensating for the additional payload weight.

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Perspective: Regional Greenhouse Gas Cap-and-Trade Programs May be the Solution

Green Car Congress

That agreement calls for a program that will cover nearly 90 percent of the region’s greenhouse gas emissions when it is fully implemented (commonly referred to as an economy-wide program). A dividend would also be similar to the Alaska Permanent Fund, which returns oil-extraction royalties to Alaska residents on a per-capita basis.

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