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Device Simplifies Building Rehabs
A backpack-like device catalogs a building's layout and mechanicals while an inspector walks through, creating a 3-D map
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Government Estimates on Renewables Are Way Off
U.S. Energy Information Administration forecasts are consistently wrong, misjudging solar and wind growth and misleading policymakers
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A Novel Way to Store Energy
A start-up company proposes to use pressurized water and old oil and gas wells as part of a system that stores energy
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A New Version of WUFI is Available
This release of the energy modeling software includes a version that can be downloaded for free
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A California Builder Makes Artificial Turf Standard
In a region hard hit by drought, this builder offers real grass only as an option
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Blows Against Two Carbon Reduction Strategies
Environmental groups challenge assumptions used to justify biomass fuel while economists lambaste federal weatherization program
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Recycled PVC Raises Health Concerns
A report from the Healthy Building Network finds that levels of lead in vinyl flooring made with recycled plastics can be alarmingly high
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In Colorado, Even the Rain Is Spoken For
State law prohibits homeowners from using rain barrels, and efforts to change the law have failed
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New Life for Old Electric Vehicle Batteries
Nissan and General Motors find a way to give batteries a second life, solving two problems at once
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Work Begins on World’s Tallest Passivhaus High-Rise
The tower on Roosevelt Island in New York will be 270 feet high and contain 350 housing units