renewable energy

 
This one 11-year-old chart explains the problem with hydrogen fuel-cell vehicles

This one 11-year-old chart explains the problem with hydrogen fuel-cell vehicles

Today, there are roughly 750,000 plug-in electric vehicles on U.S. roads and about 3,800 powered by hydrogen fuel cells. Proponents of each type of vehicle argue strenuously that their powertrain is a better way to produce vehicles with zero emissions from the tailpipe. Electric cars can be charged... read more

February 13, 2018 by -
 
APR Energy's GE TM2500 Gen 8 mobile gas turbines in Puerto Rico

Why diesel beats solar for disaster recovery in places like Puerto Rico

Call it the Ikea mindset. On populated islands, space is at a premium, just like those stereotypical Swedish kitchens you see when you stroll through your local... read more December 28, 2017 by


 
Photovoltaic solar power field at Volkswagen plant in Chattanooga, Tennessee

In Germany, neighborhood solar starts to eat away at utility revenue

Five years ago, an electric-utility think tank issued a dire warning to its members: Your century-old business model is ending. The continually falling costs of renewable... read more December 27, 2017 by


 
Tesla South Australia lithium-ion battery storage

Tesla builds world's largest lithium-ion battery, for utility use, in Australia

Tesla CEO Elon Musk made a bet that he'd build the world's largest lithium-ion battery in Australia in 100 days. If his company failed, Musk would personally pay for the... read more November 24, 2017 by


 
Photovoltaic solar power field at Volkswagen plant in Chattanooga, Tennessee

Soaring growth of solar power demonstrated in one chart (updated)

Sometimes a picture is truly worth a thousand words. In the case of the rapidly rising rate of solar installations for electricity generation, numerous forecasts by... read more November 20, 2017 by


 
Stella Vie Dutch solar car winner in World Solar Challenge

Stella Vie 'family sedan' wins long-distance solar car race

Earlier this month, the 30th World Solar Challenge kicked off in Darwin, Australia, with 42 competitors vying for victory. At the end of the 3,022-kilometer (1,880-mile) race... read more October 29, 2017 by


 
World Solar Challenge 2017

Solar-powered car race kicks off 30 years of World Solar Challenge

Although a car powered solely by solar power is far from reality, the 30th anniversary of the World Solar Challenge showcased just how far the technology has come. World... read more October 9, 2017 by


 
Tesla Kauai solar-energy generation and storage project  [photo: The Verge]

Two-thirds of world's new energy capacity in 2016 was renewable: IEA

For years, renewable energy has been cast as the most expensive option to reduce emissions and the world's reliance on fossil fuels. But 2016 may have marked a turn for the... read more October 6, 2017 by


 
Containers holding spent nucleat fuel [Nuclear Regulatory Commission photo]

Fossil-fuel lobbyists join renewable peers against DoE coal, nuclear support plans

Pity Energy Secretary Rick Perry, the man now running the cabinet department he couldn't remember that he wanted to eliminate altogether during a notorious 2011 presidential... read more October 4, 2017 by


 
Tesla Kauai solar-energy generation and storage project  [photo: Tesla]

Tesla's solar and battery project in Hawaii: we do the math

Tesla’s summer announcement of the world’s biggest battery-storage system in South Australia characteristically kept key details confidential. Fortunately, while... read more October 2, 2017 by


 
U.S. Secretary of Energy Rick Perry in 2008, when he was governor of Texas

Energy Dept grid report downplayed renewables, stressed coal, fossil fuels

The Trump administration hasn't been coy about trying to champion traditional fossil fuels while downplaying the importance and falling costs of renewable energy. Earlier... read more September 22, 2017 by


 
California state capitol, Sacramento

California plans for its post-fossil-fuel future in electricity, cars

For 50 years, the state of California has led the United States when it comes to renewable energy and electric cars. The state features many programs to incentivize... read more September 19, 2017 by


 
The White House, Washington, D.C.  [Creative Commons license by dcjohn]

Energy Dept disappoints US coal industry: no order keeping plants open

The Trump administration has reneged on one aspect of a promise widely discussed throughout the 2016 presidential campaign: reviving the coal industry. President Donald Trump... read more August 24, 2017 by


 
Colas Wattway road-mounted solar panels

California's solar energy grid survived the eclipse without incident

Solar power provides 10 percent of California's energy supply, which meant electric-grid operators had to be prepared for potentially disastrous effects during Monday's solar... read more August 23, 2017 by


 
Offshore wind farm

Senate panel rejects clean-energy cuts, boosts DoE funding instead

The Senate Committee on Appropriations recently exhibited a quality somewhat rare in U.S. politics these days: bipartisanship. The committee released a lengthy report on the... read more August 14, 2017 by


 
Photovoltaic solar panel installation on house, Fremont, California   [image: Shiva Singh]

One electric car owner's experiences in adding solar panels: why, what, and how (updated)

The purchase of an electric car that plugs into the power grid to recharge its battery often gets drivers thinking about the source of their energy. We haven't seen data from... read more July 29, 2017 by


 

 
 

 
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