German battery firm vows to become the ‘Airbnb of energy,’ Kauai briefly exceeds 90 percent renewable power, MIT releases new solar mapping tool, and more news of the week in clean energy solutions.

General Electric retires compact fluorescent in favor of LEDs, coal mines go begging for buyers, California maintains net metering rules, and more news of the week in clean energy solutions.

China overtakes Germany as country with most solar power, energy bill heads for Senate floor, bonds backed by rooftop solar earn an investment-grade rating, and more news of the week in clean energy solutions.

Global investment in renewables hits $329 B record in 2015; oil-train activists offer defense of necessity; utility-scale solar costs drop 17% in a year; and more news of the week in clean energy solutions.

Solar supplies nearly 10 percent of California’s power in 2015, GM rolls out mass-market electric car with 200-mile range, NASA tests more efficient aircraft propulsion, and more news of the week in clean energy solutions.

Indian microfinance brings solar energy to off-grid villages and slums, Eugene tests microgrids powered by PVs, the ‘rebound effect’ is smaller than previously reported, and more news of the week in clean energy solutions. 

California regulators to preserve net metering, Australian mine converted to solar farm, ten of gigawatts of new solar and wind expected thanks to tax credit extension, and more news of the week in clean energy solutions.

Faraday announces $1 billion electric-car factory, Texans rent their roofs for solar power, Paris accord boosts clean-energy stocks, and more news of the week in clean energy solutions 

Global climate pollution bends downward, negotiators lean toward a 1.5˚C warming goal, Financial Standards Board to require that firms disclose their carbon risk, and more news of the week in clean energy solutions.

Billionaires unite to boost clean energy R&D, deal in the works to extend federal credits for solar and wind, US public opinion backs climate pact, and more news of the week in clean energy solutions.