Articles tagged with Sustainable Energy
The International Conference on Airworthiness and Fatigue explored the importance of energy efficiency in aviation transport, focusing on mechanical, electrical, and chemical effects. Researchers emphasized the need for 'Multiscaling and Mesomechanics' to balance these effects and ensure system stability.
Researchers have observed the rapid formation and separation of charges in organic nanostructures, governed by quantum mechanics. This discovery takes them closer to mimicking photosynthesis and developing efficient organic solar cells.
Two NREL reports show that soft costs, including financing and installation costs, now account for up to 64% of the total price of residential solar energy systems. Researchers found that supply chain costs, labor, customer acquisition, and corporate costs are among the largest contributors to these costs.
Researchers have successfully paired bacteria with loofahs to create a power-generating microbial fuel cell, outperforming traditional devices. This innovative method uses low-cost, sustainable natural materials to generate clean energy from waste.
Researchers have developed a highly efficient thermoelectronic generator that can convert heat and solar energy into electricity without mechanical parts. The new design solves the space-charge problem, achieving efficiencies of up to 40%, paving the way for potential commercial applications in the renewable energy sector.
The NREL Building Agent application allows facility managers to diagnose and adjust for problems based on direct occupant comfort feedback. This integration enables a more active role for occupants in comfort and energy trade-offs, leading to improved building performance and cost savings.
Researchers found that harvesting invasive plants for biofuels is hindered by high costs, lack of specialized equipment, and variable cell wall composition. Despite this, alternative uses for invasive biomass, such as combustion for electricity, may offer a more practical solution.
A new global program aims to increase sustainable electricity in developing countries through well-designed Public-Private Partnerships. The program draws on lessons worldwide and features a set of 'Golden Rules' that will empower decision makers to define successful strategies for the implementation of PPPs.
Researchers at Berkeley Lab have revealed the origins of a 'stripe phase' in a material linked to superconductivity. By studying ultrafast optical techniques and X-ray scattering, they found that electrons become concentrated in stripes throughout the material, leading to an energy threshold for electrical currents.
The SAPC working group has developed three standard contract templates for residential and commercial solar power projects, with the goal of increasing consumer transparency and private-sector investment. The contracts cover residential leases and commercial power purchase agreements, allowing developers to increase business opportunit...
The Alternative Fueling Station Locator App allows iPhone users to select an alternative fuel and find the closest stations within a 30-mile radius. The app draws information from the Clean Cities' Alternative Fuels Data Center, containing over 15,000 alternative fueling stations nationwide.
The NSF has awarded six projects to 12 institutions, including international collaborations, to understand Arctic sustainability. The projects focus on environmental change, governance, and community resilience, with a goal of informing policy and mitigation strategies.
A new multi-terminal multi-junction architecture for inexpensive PV electricity generation has been proposed by Clemson University researchers. This design aims to exceed current efficiency limitations of 25% using silicon solar cells and thin-film materials abundant in Earth's crust.
UTSA's two-year pilot project aims to identify reliable solutions to San Antonio's sewage overflows, which pose environmental and health risks. The study will use simulation and optimization algorithms to develop a model for the sewer system, with the goal of reducing overflows by 50%.
Eleven Stanford researchers have received funding for promising new clean energy and efficiency projects, including studies on hybrid car performance, natural ventilation systems, and smart meter data analysis. The awards total $2.2 million and support early work on concepts with high potential impact on energy production and use.
Scientists warn that shale oil and gas production in the US is not sustainable due to declining energy returns on investment (EROI) and high costs. Despite tripling of prices, global fossil-fuel production has stagnated or declined, making it unlikely for the US to become a net oil exporter.
A team of researchers has created a new type of supercapacitor that uses wood-biochar as the electrode surface, eliminating the need for expensive and corrosive chemicals. The new technology reduces material and environmental costs, making it a more sustainable alternative to traditional supercapacitors.
A German study suggests that straw from agriculture could supply energy to millions of households in the country. The research found that between 8-13 million tons of cereal straw could be used sustainably for energy production annually.
Researchers from Lawrence Berkeley National Laboratory found that upgrading airtightness to a uniform level could achieve as much as $33 billion in annual energy savings. Reaching the IECC standard would yield the most benefit, with significant energy cost savings and reduced airflow in homes.
A novel device that combines microbial fuel cells and photoelectrochemical cells generates hydrogen gas from sunlight and wastewater, achieving self-biased solar hydrogen generation. The device demonstrates efficient wastewater treatment and potential for large-scale applications.
The report identifies strategies to overcome market barriers and decrease soft-costs in four key areas: customer acquisition, permitting, inspection, and interconnection, installation labor, and financing. NREL aims to reduce residential solar costs by $0.65/W and commercial solar costs by $0.44/W by 2020.
Researchers used computer modeling to predict electronic and optical properties of silicon structures with potential applications for solar energy collection. The study found that amorphous quantum dot chains significantly increase light absorption with increased interactions between individual nanospheres in the chain.
The new journal aims to cover topics where technology, fuels, and resources intersect with social processes and influences. It will examine communities of energy users, people affected by energy production, and social institutions.
Green energy development, lifelong education, and entrepreneurship are top priorities for emerging economy nations, according to US expert Jerry Hultin. Investments in these areas can drive economic breakthroughs and promote sustainable growth.
A new study published in Bioresource Technology found that algae biofuel reduces life cycle CO2 emissions by 50-70% compared to petroleum fuels. The study also reveals that algae-based fuels have a similar Energy Return on Investment (EROI) as conventional petroleum, making them a promising long-term source of sustainable energy.
Researchers found that blades with equal chord length, angled at 79 degrees and moving at 1.5 times the current speed can extract maximum energy from tidal currents. A Norwegian company's pilot project is already generating 28 kilowatts of power.
A University of Illinois study proposes a contract framework to outline expectations for sustainability practices in biomass crops. The framework aims to designate who will assume the risks and costs associated with these new perennial energy crops, promoting a more stable and sustainable supply.
Elsevier has launched a new journal dedicated to publishing fundamental and applied research on marine and ocean energy. The first volume is now available for free on ScienceDirect, covering topics such as fluid mechanics, design, and environmental assessment.
A comprehensive US study of over 50,000 home sales near 67 wind facilities found no measurable impact on nearby property values. The researchers controlled for various factors using sophisticated techniques, supporting previous findings that widespread impacts from wind turbines are likely to be small or non-existent.
Energy cane and other energy crops have the potential to yield up to 5 times more ethanol per acre than corn, providing a sustainable alternative to traditional sources. However, their viability is threatened by the abundance of cheap shale gas, which could make it difficult for biobased feedstocks to compete.
A new analysis suggests that Greece's renewable energy programs, particularly solar, could lower domestic energy costs and provide an export commodity to aid in the country's economic recovery. However, addressing public concerns about foreign involvement is crucial for realizing solar's potential.
The collaboration aims to convert sugar cane bagasse into fuel ethanol, enabling year-round operations and reducing greenhouse gas emissions. NREL's expertise in biomass conversion technology will help optimize the process and make it economically viable.
Scientists have developed a method to accurately predict the adsorptive properties of crystalline MTV-MOF systems, enabling the optimization of function and control of spatial disorder. The approach uses solid-state nuclear magnetic resonance (NMR) measurements with molecular-level computational simulations.
The IFAD-ICRAF Programme will develop and scale up pro-poor, sustainable biofuel production models in Asia, Africa, and Latin America. It aims to create energy, food security, livelihood, and income-generating opportunities for poor households.
Researchers discovered novel cellulose-degrading enzymes in marine wood borer gribbles, which can thrive in industrial settings. The enzymes hold promise of efficiently breaking down biomass into sugars for biofuel production.
Researchers at the University of Cambridge have developed a new method to create highly permeable and selective membranes for molecular-level separation, using ultraviolet irradiation. The process increases the density of the membrane surface, allowing for improved separation of molecules with varying sizes.
A study by researchers at Empa and ETH Zurich found that none of Switzerland's households meet the 2000-watt society target, but those with high standards of living consume significantly less energy. Improving transportation and living habits are key to achieving a sustainable future.
The U.S. Department of Energy's National Renewable Energy Laboratory (NREL) hosted a car competition for 97 Colorado schools, with teams racing solar and lithium ion powered vehicles designed and built by students. The 'Sweet and Sassy' team from Woodlands Academy took top honors in the solar design category.
Research Fellows Mike Himmel and David Ginley honored for innovation impacts in energy systems integration and commercialization of NREL technologies. NREL has added 29 new CRADAs, attracting $8 in private investment for every dollar invested.
Researchers found that two enzyme paradigms - free and complexed enzymes - use different mechanisms to degrade biomass at the nanometer scale. Combining these systems enhances catalytic performance, suggesting an optimal strategy may already exist.
Scientists at UC Santa Barbara have identified Auger recombination as the mechanism behind the LED 'droop' phenomenon, a drop in light produced when a higher current is applied. This discovery is expected to lead to new ways to design LEDs with significantly higher light emission efficiencies.
Researchers at South Dakota School of Mines and Technology have successfully split water molecules at low temperatures, paving the way for sustainable hydrogen energy. The team's high-temperature thermochemical process can exponentially double hydrogen atoms, creating a sustainable amount of hydrogen regeneration.
A recent NREL survey found that 95% of 100% biodiesel (B100) samples met ASTM International fuel quality specifications, representing a dramatic improvement from previous years. The increase is attributed to stricter quality requirements and the voluntary BQ-9000 quality management program.
Cuts in federal funding for nanotechnology research could slow progress toward commercializing sustainable new energy sources and impact the field's global competitiveness. Young scientists may struggle to launch research programs, while established ones will have to trim their programs due to funding constraints.
At the ACS meeting, scientists will discuss new discoveries related to energy and food, including sustainable sources of renewable oil. The event is expected to generate at least $16 million for the local economy.
The US Department of Energy has renewed JBEI's five-year funding at $25 million annually, supporting the development of advanced biofuels. The partnership, led by Lawrence Berkeley National Laboratory, aims to enhance national energy security and create clean energy jobs.
A National Research Council expert panel recommends creating a large building performance database to improve the knowledge base about high-performance buildings. The study suggests that measuring energy and water use can help identify cost-effective sustainable practices, but more scientific study is needed to justify environmental ou...
Research suggests that cold cities like Minneapolis require three-and-a-half times more energy for climate control compared to warm cities like Miami. Dr. Michael Sivak's study analyzed heating and cooling degree days, appliance efficiencies, and power-generating plant efficiencies to reach this conclusion.
The Solar Access to Public Capital (SAPC) working group aims to standardize power purchase agreements and develop robust datasets to assess performance and credit-default risk. This effort is expected to attract additional investors to the solar asset class, potentially lowering the cost of solar energy.
Researchers at the University of Oregon have developed ultra-thin films of nickel and iron oxides that demonstrate high catalytic activity for forming oxygen from water. The nickel-iron oxide catalyst was found to be most effective when just 0.4 nanometers thick, making it a promising material for solar-hydrogen production.
The National Renewable Energy Laboratory (NREL) had a significant impact on Colorado's economy in FY 2012, with a total economic benefit of $814.8 million. The laboratory supported approximately 2,300 jobs and invested heavily in construction, including a new parking garage and energy-efficient building.
A new study suggests that achieving the UN's Sustainable Energy for All (SE4All) objectives by 2030 could significantly reduce greenhouse gas emissions and help limit global temperature rise to 2°C. The initiative includes providing universal access to modern energy, doubling renewable energy globally, and improving energy efficiency.
A new study suggests introducing shareholder liability could reduce lock-in in the energy economy and spur a shift towards sustainable energy. The study argues that fossil fuel companies' profits are not tied to environmental damage, leading to a lack of incentive for change.
The US Department of Energy's NREL and Lawrence Berkeley National Laboratory released reports examining solar photovoltaic (PV) pricing in the US. The reports indicate that PV system prices have been falling rapidly over the past decade, with soft costs accounting for 40-50% of residential and commercial PV prices in 2010.
A CU-led team has been awarded a $9.2 million DOE grant to research modifying E. coli to produce biofuels like gasoline. The team aims to develop technologies that can efficiently and inexpensively convert E. coli into ethylene and isobutanol, widely used commodities for gasoline production.
Metallic glass alloys are three times stronger than industrial steel but have variable breaking points due to preparation method. Researchers developed a novel computational technique that simulates and predicts the breaking points of metallic glasses, shedding light on their mechanical properties.
Female leaders in clean energy were honored at the Women in Clean Energy Symposium, including C3E award winners who made significant contributions to policy, innovation, education, and corporate implementation. The event highlighted the importance of local initiatives in advancing national energy plans.
Researchers from ASU will identify suitable locations across the US for perennial biomass energy crops to reduce reliance on food crops and combat greenhouse gas-induced climate change. The five-year project aims to explore sustainability, hydroclimate, crop yield, and economic profitability of large-scale deployment.
Nine Stanford researchers received seed grants to explore promising new technologies in clean energy and energy efficiency. These projects include the development of high-performance batteries, ultrathin solar cells, and methods for capturing atmospheric carbon dioxide. The research has the potential to impact energy production and use...
Researchers have developed a rapid method to measure carbon footprints using new software that can calculate thousands of product footprints in minutes. The methodology helps companies accurately label products and design ways to reduce environmental impacts.