Efficiency | Energy Efficiency Technology

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Aspen Aerogels Withdraws IPO to Raise $22.5M in Debt

Aspen Aerogels Withdraws IPO to Raise $22.5M in Debt

Eric Wesoff: May 20, 2013

Aerogels are a miracle material, but are still limited to niche markets because of price.
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Intelligent Efficiency: Innovations Reshaping the Energy Efficiency Market

Intelligent Efficiency: Innovations Reshaping the Energy Efficiency Market

Stephen Lacey: May 20, 2013

A free special report and the official launch of Greentech Media’s Efficiency channel
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Nest 3.5: How a Learning Thermostat Company Learns

Nest 3.5: How a Learning Thermostat Company Learns

Stephen Lacey: May 17, 2013

Nest is secretive about its future plans—but the company isn’t shy about being in constant learning mode.

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Podcast: A Deeper Look at DOE’s Cleantech Strategy

Podcast: A Deeper Look at DOE’s Cleantech Strategy

Stephen Lacey: May 17, 2013

The assistant secretary of energy efficiency and renewable energy talks about where the Department of Energy is headed.
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SolarCity Shifts Its Home Efficiency Strategy

SolarCity Shifts Its Home Efficiency Strategy

Eric Wesoff: May 16, 2013

How does SolarCity scale its energy efficiency business? Don’t do the work in-house.
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Boston Requires Full Disclosure of Energy Use and Emissions

Boston Requires Full Disclosure of Energy Use and Emissions

Earthtechling, Beth Buczynski: May 16, 2013

Boston officials hope that by mandating disclosure, building owners will be more likely to participate in local energy-efficiency programs.
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Senate Approves Ernest Moniz as Energy Secretary

Senate Approves Ernest Moniz as Energy Secretary

Stephen Lacey: May 16, 2013

A unanimous confirmation
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5 Technologies to Make Government Buildings More Efficient

5 Technologies to Make Government Buildings More Efficient

Stephen Lacey: May 16, 2013

They’ve all survived the “green proving ground.”
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Hot Water Heaters: When Energy Efficiency Fights Demand Response

Hot Water Heaters: When Energy Efficiency Fights Demand Response

Katherine Tweed: May 15, 2013

Out of the basement and into the fire
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Stat of the Day: Fuel Cell Costs From Bloom and UTC

Stat of the Day: Fuel Cell Costs From Bloom and UTC

Eric Wesoff: May 15, 2013

What’s the maintenance cost of a Bloom Box? How much did ClearEdge pay for UTC’s fuel cell business?
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Intermolecular’s Combinatorial Lab Improves PV, Coatings, and LEDs

Intermolecular’s Combinatorial Lab Improves PV, Coatings, and LEDs

Eric Wesoff: May 15, 2013

Accelerating R&D in semiconductors and cleantech
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The Science Behind Virtual Energy Audits Versus Traditional Audits

The Science Behind Virtual Energy Audits Versus Traditional Audits

Hugh Gaasch and Chris Muth: May 15, 2013

Retroficiency takes a look at why virtual audits make sense (and cents).
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Silver Spring Bringing Intelligence to Street Lights in Paris

Silver Spring Bringing Intelligence to Street Lights in Paris

Jeff St. John: May 15, 2013

Everything’s sexier in Paris.
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What Makes an Effective Virtual Energy Audit?

What Makes an Effective Virtual Energy Audit?

Stephen Lacey: May 14, 2013

The race is on to find the fastest way to assess the energy performance of buildings.
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Optimizing Power Distribution in Data Centers With Software-Defined Power

Optimizing Power Distribution in Data Centers With Software-Defined Power

Clemens Pfeiffer: May 14, 2013

Liberate your stranded power.
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