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Renewable Energy News -- ScienceDaily
Renewable Energy Sources. Read the latest research on renewable sources of energy such as solar energy, wind power, nuclear energy, hydrogen fuel, ethanol, methane and other alternative energy sources.
Listening to the people results in a more sustainable future energy system
29 Jul 2022 at 7:24am
By taking into account the demographics and preferences of US racial groups, clarified through a nationally representative survey of 3,000 US residents, researchers have created a 'desirable' electricity generation mix for 2050 that includes 50% more energy from renewables than current projections. Combining such bottom-up input with top-down energy system goals set by policymakers could help meet both the needs and preferences of the population along with emission and climate goals.
Inefficient building electrification risks prolonging fossil fuels
28 Jul 2022 at 4:27pm
A new study indicates that decarbonization pathways should incorporate more efficient electric heating technologies and more renewable energy sources to minimize strain on the U.S. electric grid during peaks in electricity usage from heating in the winter.
All-in-one solar-powered tower makes carbon-neutral jet fuel
20 Jul 2022 at 9:10am
Researchers have designed a fuel production system that uses water, carbon dioxide (CO2), and sunlight to produce aviation fuel. They have implemented the system in the field, and the design could help the aviation industry become carbon neutral.
Reducing energy consumption: A new test system for passive cooling materials
18 Jul 2022 at 11:23am
Passive day cooling is a promising technology for the sustainable reduction of energy consumption. Researchers have now created a test system with which the materials used for passive cooling can be reliably characterized and compared -- regardless of weather conditions and environmental conditions.
Air pollution caused 2,780 deaths, illnesses, and IQ loss in children in Mass...
18 Jul 2022 at 6:44am
Air pollution, climate change, and public health are closely linked, as a new study shows. The report details on a town-by-town basis the deaths and illnesses caused by air pollution in Massachusetts, and also outlines steps to curb fine particulate pollutants. Nationally, the study offers a model that can be followed by other states using public data and open-source software, according to a public health expert and practitioner.
Researchers create method for breaking down plant materials for earth-friendl...
7 Jul 2022 at 2:18pm
With energy costs rising, and the rapidly emerging effects of burning fossil fuels on the global climate, the need has never been greater for researchers to find paths to products and fuels that are truly renewable.
Using the power of the sun to roast green chile
6 Jul 2022 at 12:31pm
Roasting green chile is an important cultural touchstone for New Mexico, but it leads to a seasonal emission of approximately 7,800 metric tons of carbon dioxide -- the equivalent of driving 1,700 cars for a year. Sandia National Laboratories engineer Kenneth Armijo, who grew up on a chile farm in Sabinal, located between Albuquerque and Socorro, New Mexico, thought there was a 'greener' way to roast green chile. The results of his experiments roasting chile with concentrated sunlight will be shared at the American Society of Mechanical Engineers' conference on energy and sustainability next week.
Solar-powered chemistry uses carbon dioxide and water to make feedstock for f...
6 Jul 2022 at 10:33am
Solar-powered synthesis gas could recycle carbon dioxide into fuels and useful chemicals, an international team of researchers has shown.
Printing a new chapter in solar energy
5 Jul 2022 at 1:22pm
A simple and versatile nanoparticle ink could help next-generation perovskite solar cells to be printed at scale and become the dominant force in commercial photovoltaics.
Seeing photovoltaic devices in a new light
5 Jul 2022 at 1:22pm
Researchers described a novel effect in which the voltage generated by photovoltaic devices can change based on the color of incidence light. They show how this feature is due to random energy states that exist inside the antimony sulfiodide devices. This work may lead to more robust renewable energy generated by solar cells.
Why natural gas is not a bridge technology
5 Jul 2022 at 7:36am
The expansion of natural gas infrastructure jeopardizes energy transition, as natural gas is not a bridge technology towards a 100 per cent renewable energy system as defined by the Paris Climate Agreement. The researchers have examined the natural gas issue from five perspectives and given gas a fairly poor climate balance, comparable to that of coal or oil. They recommend that politicians and scientists revise the current assumptions about natural gas.
Pioneering recycling turns mixed waste into premium plastics with no climate ...
30 Jun 2022 at 5:33am
Only a fraction of the material that could be turned into new plastic is currently recycled. Researchers have now demonstrated how the carbon atoms in mixed waste can replace all fossil raw materials in the production of new plastic. The recycling method is inspired by the natural carbon cycle and could eliminate the climate impact of plastic materials, or even clean the air of carbon dioxide.
Strategies beyond recycling to bolster circular economy for solar and battery...
28 Jun 2022 at 10:39am
In a new comprehensive literature review, researchers have discovered that alternatives to recycling may have untapped potential to build an effective circular economy for solar photovoltaic (PV) and battery technologies. These alternative strategies, such as reducing the use of virgin materials in manufacturing, reusing for new applications, and extending product life spans, may provide new paths to building sustainable product life cycles.
Offshore wind farms expected to reduce clam fishery revenue, study finds
23 Jun 2022 at 12:36pm
An important East Coast shellfish industry is projected to suffer revenue losses as offshore wind energy develops along the U.S. Northeast and Mid-Atlantic coasts, according to two recent studies.
Modern wind turbines can more than compensate for decline in global wind reso...
21 Jun 2022 at 12:51pm
Wind energy contributes significantly to the energy sector's sustainable, low-CO2 transformation. However, the efficiency of wind turbines depends on available wind resources and the technical characteristics of the turbines.