energy

 
U.S. household energy costs hit 50-year low

U.S. household energy costs hit 50-year low

Substantial growth in U.S. renewable-energy capacity will undoubtedly have a positive environmental impact. But the reduction in carbon emissions renewable-energy advocates aim to achieve does not exclude potential benefits to consumers. Because as renewable-energy generating capacity has expanded... read more

February 19, 2017 by -
 
Photovoltaic solar panels on roof of Honda Smart Home at UC-Davis, California

Home energy storage batteries lose to grid-connected solar on environmental impact

At first glance, renewable-energy sources like solar power and energy-storage battery packs seem like a logical match. Energy storage allows excess power collected by solar... read more February 7, 2017 by


 
Coal, by Flicker user oatsy40 (Used Under CC License)

Exxon says coal will endure; other analyses beg to differ

Renewable energy sources may eventually render fossil fuels irrelevant in energy generation, but when will the switch between the two energy sources occur? It's a question... read more February 2, 2017 by


 
Tesla and SolarCity energy storage array on Ta'u, American Samoa

Energy storage batteries face biggest test in California

From the perspective of both renewable-energy advocates and electric utilities, grid-scale energy storage offers many potential benefits. By storing energy in battery packs... read more January 22, 2017 by


 
Coal, by Flicker user oatsy40 (Used Under CC License)

First carbon-capture power plants come on line this year

For electric utilities eager to hang onto their existing coal-fired power plants, carbon-capture technology must offer an exciting chance at salvation. As the name says... read more January 20, 2017 by


 
Photovoltaic solar power field at Volkswagen plant in Chattanooga, Tennessee

When lauding renewables, look at utilization, not just capacity

The news on the renewable energy front continues to be good, with the costs of wind and solar generation falling steadily. By some measures, large-scale renewable energy is... read more January 17, 2017 by


 
Coal, by Flicker user oatsy40 (Used Under CC License)

UK moves ahead on lower-carbon power to end coal use by 2025

The United Kingdom is increasing its use of low-carbon energy sources as it moves to phase out coal-fired power plants altogether by 2025. Renewable-energy sources such as... read more January 3, 2017 by


 
Classic Volkswagen Beetle Convertible, Santa Monica, 2012

Santa Monica to require net-zero homes from 2017, first in the world to do so

Among U.S. states, California continues to lead the way in policies that aim to cut carbon emissions. The Golden State has ambitious emission-reduction targets, and has... read more November 1, 2016 by


 
Nissan Leaf in Scotland

Scotland shows path toward boosting renewable energy in a big way

Scotland isn't known for having the most pleasant weather. But its persistent winds make the country a great place for renewable energy. Over the past few years, officials... read more October 21, 2016 by


 
wind farm

Smallest state poses big question: natural gas or renewable energy?

The smallest U.S. state now faces a big question on energy policy. Rhode Island is in the midst of deciding whether to continue getting a large portion of energy from fossil... read more October 18, 2016 by


 
Photovoltaic solar power field at Volkswagen plant in Chattanooga, Tennessee

DoE energy-loan program (notorious for Solyndra) now turning a profit

The U.S. Department of Energy (DOE) loan program that became a lightning rod during the 2012 presidential election is now turning a profit. The program became infamous for... read more October 16, 2016 by


 
Wind farm, by Flickr user Patrick Finnegan (Used under CC License)

Carbon emissions from U.S. power generation fall to 25-year low

While automakers work to meet stricter carbon-emissions standards, another sector of the U.S. economy has already made notable progress in reducing ts emissions... read more October 14, 2016 by


 
Hoover Dam by Flickr user Airwolfhound (Used under CC License)

Hydro-power reservoirs emit methane, a greenhouse gas: no free lunch?

The energy sources used to generate grid electricity can be a major source of greenhouse-gas emissions, and thus they affect the environmental impact of electric cars. The... read more October 7, 2016 by


 
Oil well (photo by John Hill)

Ending $4 billion U.S. oil, gas drilling subsidies would have low impact: study

U.S. subsidies to the oil and gas industries are often a flashpoint among electric-car advocates and environmentalists. They see a conflict in the government providing... read more August 10, 2016 by


 
Coal-fired Nanticoke Generating Station, Ontario, Canada, now being converted to 44-MW solar farm

Half of North American power from renewable sources by 2025: plan

The leaders of the U.S., Canada, and Mexico plan to announce a major renewable-energy goal when they meet in the Canadian capital of Ottawa this week. At the Three Amigos... read more June 29, 2016 by


 
Coal, by Flicker user oatsy40 (Used Under CC License)

Bankruptcy shows scope of Peabody Coal's climate denial lobbying

These are tough times for the coal industry. Coal plants are being retired at an increasing rate in North America and Europe, replaced by a combination of natural-gas and... read more June 15, 2016 by


 

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