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Articles: energy efficiency (11)

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The Revenge of the Circulating Fan

Cooling people by increasing local airflow is at least ten times more energy efficient than refrigerating the air in a given space, and it also adds the benefit of a personally controlled thermal environment.

Well-Tended Fires Outperform Modern Cooking Stoves

Despite technological advancements since the Industrial Revolution, cooking remains a spectacularly inefficient process.

How Increased Labour Efficiency Drives Resource Consumption

“It is a confusion of ideas to suppose that the economical use of fuel is equivalent to diminished consumption. The very contrary is the truth….no one must suppose that coal thus saved is spared-it is only saved from one use to be employed in others”.

How Sustainable is Digital Fabrication?

Digital fabrication is praised as the future of manufacturing. While CNC machines have been embraced by many...it's important to consider the very high energy use of digital machine tools.

Cap the Grid

As a species, we must learn to live within the physical limitations of the biosphere. In the electric energy sector, this requires reversing the worldwide trend of ever-expanding electricity supply grids carrying energy vast distances from more and more large, centralized power plants. …

Shale Truth Interviews Arthur Berman segment #4 Energy Efficiency   

The natural gas industry has promoted shale gas as a source of energy independence. In this segment of the Delaware Riverkeeper Network's Shale Truth Interview series energy industry analyst Arthur Berman says efficiency and changing everyday behavior are the keys for the United States becoming …

IEA: Improve energy efficiency of urban transport systems

As energy consumption for transport in cities is expected to double by 2050, IEA report sees potential savings of up to USD 70 trillion

Shrewsbury opens its green doors

The UK Government is committed to cutting 80% of greenhouse gas emissions by 2050 – since 50% of our energy is used by our buildings, and 25% by our homes, the target is for every home to be ‘carbon neutral’ by 2050. In Shrewsbury this equates to 2,000 homes being refurbished …

Can the Utility Industry Survive the Energy Transition?

A new policy paper from the Edison Electric Institute (EEI), an association of shareholder-owned U.S. electric companies, details the “disruptive challenges” the sector faces. These private, for-profit companies, also known as investor-owned utilities or IOUs, serve about 70 percent …

What’s cheaper than solar, slashes carbon emissions, and creates jobs in Kentucky?

Jamie Blair had owned his own business for about seven years when he started to think it was missing a crucial piece. He was installing heating, ventilation, and air conditioning systems in and around Paintsville, Ky., but heated air isn’t much good if it leaks out through poorly sealed …

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