Green Technology News

Researchers Examine Emerging Market for Used Electric Vehicle Batteries

October 7, 2014

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Report Examines Emerging Market for Used Electric Vehicle Batteries

A new report from UCLA and UC Berkeley shows that used electric car batteries could help California achieve its renewable energy, greenhouse gas reduction and energy storage goals more efficiently — and could lower the cost of owning an electric car. As California searches for cheap energy storage options, a new report by the Climate […]

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Curiosity Technology Adapted to Detect Gas Leaks from Pipelines

October 3, 2014

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Curiosity Technology Adapted to Detect Gas Leaks

Technology adapted from NASA’s Mars rover program is being used to develop a hand-held device that will help find and fix natural gas leaks from gas pipelines, with the goal of reducing emissions of greenhouse gases. In collaboration with NASA’s Jet Propulsion Laboratory in Pasadena, California, Pacific Gas and Electric Company (PG&E) announced that it […]

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Engineers Develop New System to Harness the Full Spectrum of Available Solar Radiation

September 29, 2014

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New System Aims to Harness the Full Spectrum of Available Solar Radiation

Engineers at MIT have developed a two-dimensional metallic dielectric photonic crystal that has the ability to absorb sunlight from a wide range of angles while withstanding extremely high temperatures. The key to creating a material that would be ideal for converting solar energy to heat is tuning the material’s spectrum of absorption just right: It […]

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New Formula Improves Liquid Battery Technology

September 22, 2014

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New Formula Leads to Improved Liquid Battery

MIT engineers have developed an improved liquid battery system that could enable renewable energy sources to compete with conventional power plants. Extensive testing has shown that even after 10 years of daily charging and discharging, the system should retain about 85 percent of its initial efficiency. Donald Sadoway and colleagues have already started a company […]

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Liquid Inks Create More Efficient and Cheaper Solar Cells

September 18, 2014

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Researchers Create Better Solar Cells with Liquid Inks

A team of scientists from the California NanoSystems Institute is using liquid inks to create better solar cells, improving efficiency and lowering costs. The basic function of solar cells is to harvest sunlight and turn it into electricity. Thus, it is critically important that the film that collects the light on the surface of the […]

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New Type of CNT Solar Cell is Twice as Efficient as Its Predecessors

September 3, 2014

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New Type of CNT Solar Cell is Twice as Efficient as Past Models

Material scientists from the McCormick School of Engineering at Northwestern University have created a new type of carbon nanotubes solar cell that is twice as efficient as its predecessors. Lighter, more flexible, and cheaper than conventional solar-cell materials, carbon nanotubes (CNTs) have long shown promise for photovoltaics. But research stalled when CNTs proved to be […]

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The Prospects for the Development of Clean Fuels Are Improving

August 20, 2014

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The Development of Clean Fuels Based on Water and Sunlight are Improving

New insights into the details of photosynthetic water splitting have provided a blueprint for synthetic systems that could store sunlight energy in chemical energy carriers. Society’s energy supply problems could be solved in the future using a model adopted from nature. During photosynthesis, plants, algae and some species of bacteria produce sugars and other energy-rich […]

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Transparent Luminescent Solar Concentrator Creates Solar Energy Without Blocking the View

August 20, 2014

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MSU Develops New Type of Transparent Solar Concentrator

By using small organic molecules that absorb specific nonvisible wavelengths of sunlight, researchers at Michigan State University have developed a transparent luminescent solar concentrator that can create solar energy without blocking the view. A team of researchers at Michigan State University has developed a new type of solar concentrator that when placed over a window […]

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MIT Engineers Recycle Old Batteries Into Solar Cells

August 18, 2014

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Researchers Recycle Old Batteries Into Solar Cells

Engineers at MIT recycle dangerous waste materials from discarded car batteries, revealing that the lead from a single car battery could produce enough solar panels to provide power for 30 households. This could be a classic win-win solution: A system proposed by researchers at MIT recycles materials from discarded car batteries — a potential source […]

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New Efficiency Record for Quantum-Dot Photovoltaics

May 29, 2014

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Quantum Dot Photovoltaics Set New Record for Efficiency

By engineering the band alignment of the quantum dot layers through the use of different ligand treatments, researchers at MIT set a new record for efficiency in quantum-dot photovoltaics. Solar-cell technology has advanced rapidly, as hundreds of groups around the world pursue more than two dozen approaches using different materials, technologies, and approaches to improve […]

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Scientists Create a Copper-Based Catalyst that Produces Large Quantities of Ethanol

April 14, 2014

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Scientists Create a Copper Based Catalyst that Produces Large Quantities of Ethanol

A team of scientists from Stanford University has created a copper-based catalyst that produces large quantities of ethanol from carbon monoxide gas at room temperature. Stanford University scientists have found a new, highly efficient way to produce liquid ethanol from carbon monoxide gas. This promising discovery could provide an eco-friendly alternative to conventional ethanol production […]

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New Type of Fuel Cell Produces Electricity Directly from Biomass

February 19, 2014

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Solar Induced Hybrid Fuel Cell Produces Electricity Directly from Biomass

Scientists at Georgia Tech have developed a new type of low-temperature fuel cell that directly converts biomass to electricity with assistance from a catalyst activated by solar or thermal energy. Although low temperature fuel cells powered by methanol or hydrogen have been well studied, existing low temperature fuel cell technologies cannot directly use biomass as […]

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