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MITEI study finds hydrogen-generated electricity is a cost-competitive candidate for backing up wind and solar

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A team at MITEI (MIT Energy Initiative) has found that hydrogen-generated electricity can be a cost-competitive option for backing up wind and solar. California draws more than 20% of its electricity from solar and approximately 7% from wind, with more VRE coming online rapidly. —Drake Hernandez. —Emre Gençer.

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MIT Report Finds Natural Gas Has Significant Potential to Displace Coal, Reducing Greenhouse Gas Emissions; Role in Transportation More Limited

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Natural gas will play a leading role in reducing greenhouse-gas emissions over the next several decades, largely by replacing older, inefficient coal plants with highly efficient combined-cycle gas generation, according to a major new interim report out from MIT. The Future of Natural Gas: An Interdisciplinary MIT Study.

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False Starts: The Story of Vehicle-to-Grid Power

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AC Propulsion cofounder Wally Rippel converted a Volkswagen microbus into an electric vehicle while he was still a student at Caltech. in civil engineering in 1981, Brooks had joined AeroVironment, where he managed the development of Sunraycer , an advanced solar-powered demonstration EV built for GM, and the Impact.

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ARPA-E Selects 37 Projects for $106M in Funding in Second Round; Electrofuels, Better Batteries and Carbon Capture

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Today’s technologies for making biofuels all rely on photosynthesis—either indirectly by converting plants to fuels or directly by harnessing photosynthetic organisms such as algae. This process is less than 1% efficient at converting sunlight to stored chemical energy. Engineering E. Reducing equivalent: Electrons; Organism: E.

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DOE to award $35M to 24 projects to support early-stage, innovative technologies and solutions in advanced manufacturing

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Lawrence Livermore National Laboratory’s project will optimize the performance of copper-based catalysts by improving the energy efficiency and selectivity of these catalysts to convert carbon dioxide, an industrial waste product, into methane, a versatile fuel that is readily integrated into efforts to fuel vehicles and power plants.

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MIT researchers use genetically modified virus to template nanotubes that improve solar-cell efficiency by nearly one-third

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Researchers at MIT led by Drs. Using the nanocomposites as photoanodes in dye-sensitized solar cells, they achieved a power conversion efficiency in the solar cells of 10.6%, up from 8%—an increase of almost one-third. This new method used to enhance solar cell performance is quite different, Belcher says.

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ExxonMobil and Princeton select five energy research projects; including batteries and solar

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The projects will center on solar and battery technologies; plasma physics; Arctic sea-ice modeling; and the impact of carbon dioxide absorption on the world’s oceans. Research will be led by Daniel Steingart, assistant professor of mechanical and aerospace engineering and the Andlinger Center for Energy and the Environment.

Energy 150