Liquid batteries, giant lasers, and vast new reserves of natural gas highlight the fundamental energy advances of the past 12 months.
With many renewable energy companies facing hard financial times (“Weeding Out Solar Companies“), a lot of the big energy news this year was coming out of Washington, DC, with massive federal stimulus funding for batteries and renewable energy and programs such as Energy Frontier Research Centers and Advanced Research Projects Agency-Energy (“A Year of Stimulus for High Tech“).
But there was still plenty of action outside the beltway, both in the United States and around the world. One of the most dramatic developments (“Natural Gas Changes the Energy Map“) was the rush to exploit a vast new resource; new drilling technologies have made it possible to economically recover natural gas from shale deposits scattered throughout the country, including in Texas and parts of New York, Pennsylvania, and Ohio. Advances in drilling technology have increased available natural gas by 39 percent, according to an estimate released in June. The relatively clean-burning fuel could cut greenhouse gas emissions by becoming a substitute for coal. Natural gas might even provide an alternative to petroleum in transportation, especially for buses and taxis–if only policymakers could take advantage of the new opportunity.
Meanwhile a number of technologies promise to cut down on emissions from coal plants. Feeding heat from the sun into coal plants could at once increase the amount of power that can be generated from a given amount of coal and reduce the cost of solar power (“Mixing Solar with Coal to Cut Costs“). And technology for capturing carbon dioxide (“Scrubbing CO2 Cheaply“) and storing it (“An Ocean Trap for Carbon Dioxide“) is finally emerging from the lab and small-scale projects into larger demonstrations at power plants, even while researchers explore potentially cheaper carbon-capture techniques (“Using Rust to Capture CO2 from Coal Plants“).
This year was also the year of the smart grid, as numerous test projects for improving the reliability of the grid and enabling the use of large amounts of renewable energy got underway (“Technology Overview: Intelligent Electricity“). The smart grid will be enabled by key advances, such as superconductors for high-energy transmission lines (“Superconductors to Wire a Smarter Grid“) and smart networks being developed by companies such as GE (“Q&A: Mark Little, Head of GE Global Research“).
The Latest on: Energy
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The Latest on: Energy
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