Feds to cut energy use 40 percent, advanced jet and diesel biofuels expand on the West Coast, Europe’s power grid unruffled by solar eclipse, and more news of the week in clean energy solutions.

All oils are not created equal; wind, solar, and geothermal turn Nicaragua from rolling black-outs to power exporter; Hawaii considers 100% Renewable Portfolio Standard, and more news of the week in clean energy solutions. 

Solar plane begins round-the-world journey, India levies coal tariff to pay for renewables, McKibben floats ‘fossil freeze,’ and more news of the week in clean energy solutions.

Eiffel Tower sporting turbines; acid oceans pose threat to shellfish; coffee and whiskey fodder for biofuels; coal no longer King in China; and more news of the week in clean energy solutions.

Illinois considers auction of carbon permits for electricity generation, 100% renewable microgrid in the California desert, $100 billion from Citigroup for green projects, and more stories of the week in clean energy solutions. 

Three largest UK parties pledge climate action ahead of May elections, report parses geoengineering prospects, smarter inverters may allow more rooftop solar on grid, and more news of the week in clean energy solutions. 

China announces nationwide carbon market to start next year, leading CEOs call for pact to reduce carbon pollution to zero by 2050, electric bus unveiled with 200-mile range, and more stories of the week in clean energy solutions. 

Germany stays on target in its transition to clean energy, U.S. poll shows half of Republicans and vast majorities of others want climate action, Peabody coal slashes its dividend, and more news of the week in clean energy solutions.

Copenhagen neighborhood re-engineered for high water, new day-and-night solar plant on line in California desert, “Uber for trucks” makes freight transport more efficient, and more news of the week in clean energy solutions.

Solar jobs up 22 percent last year, carbon market comes to South Korea, fossil-free Danish island inspires Maine utilities, and more stories of the week in clean energy solutions.