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NREL researchers point toward building energy efficiency instead of long-term storage

Green Car Congress

An open-access paper on the work, “Optimal Strategies for a Cost-Effective and Reliable 100% Renewable Electrical Grid,” appears in the Journal of Renewable and Sustainable Energy. The researchers considered solar and wind as the source of renewable energy, given that most plans for meeting the 100% target take those into account.

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DOE ARPA-E awards $156M to projects to 60 projects to accelerate innovation in clean energy technologies

Green Car Congress

The new ARPA-E selections focus on accelerating innovations in clean technology while increasing US competitiveness in rare earth alternatives and breakthroughs in biofuels, thermal storage, grid controls, and solar power electronics. Solar ADEPT: Solar Agile Delivery of Electrical Power Technology ($14.7 Description.

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Vacation Rentals: How to Shrink Your Carbon Footprint

Baua Electric

Airbnb’s rental categories can help travelers find off-the-grid options, highlighting more than 9,000 listings that rely on renewable energy sources or have no electricity, and Earth Homes , a set of accommodations built with organic materials such as mud or rammed earth. “If But it does not act as a search engine.

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