Iowa
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Tax credit aims to make Iowa fertile ground for geothermal
A bill signed into law this spring aims to help diversify Iowa's renewable energy sources beyond wind, offering among other things a first-ever state tax credit for geothermal projects. -
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Muscatine, Iowa, residents to receive pollution warnings
Residents of an Iowa county that has made national headlines for its struggles with air pollution will now receive electronic warnings when air quality poses a health hazard.By B. Adam Burke .
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Habitat homes achieve efficiency and affordability
As energy efficiency advocates press for tougher energy codes in Minnesota, Illinois and elsewhere, they're pointing to affordable housing supporters such as Habitat for Humanity to help make their case. -
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Foundries twisting in breeze over wind tax credit
Even though over 150 American foundries have shut down since the start of the current economic crisis, a group of entrepreneurs believe they can help revive the industry by supplying large, metal components for wind turbines.
Photo by Mark Bridge via Creative CommonsBy Brian Rogal .
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Critic: Nuclear power risks greater than advertised
Arjun Makhijani, author of Carbon-Free and Nuclear-Free: A Roadmap for U.S. Energy Policy, says nuclear power proponents are underestimating the risks and overselling its reliability. -
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Could sweet sorghum dethrone corn as biofuel king?
A Chicago biotech company that’s working to genetically engineer varieties of sweet sorghum that would convert sugar to biofuel before it even leaves the plant, while using half as much water to grow as corn.
Photo by ILRI via Creative Commons -
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Iowa State professor puts electric motors on a diet
Dionysios Aliprantis thinks current electric motors are just too big. Secondly, it’s his contention that they simply don’t work hard enough. Too fat. Too lazy.By Guest Contributor .
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Energy storage creates many winners, so who pays?
The benefits of energy storage projects are far reaching, from reduced maintenance costs at power plants to less price volatility for electricity customers. That raises a tricky market question for pumped-hydro, compressed air and other types of energy storage projects: Who should pay for them? -
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Scrapped Iowa project leaves energy storage lessons
After years of study, investors concluded Iowa's sandstone aquifers aren't suitable for compressed-air energy storage. However, the research leaves behind promising economic findings and lessons for other energy storage projects. -
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Renewable or not? How states count hydropower
When is hydropower a renewable energy source? The answer, at least from a policy perspective, depends on the state.
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