Maria Reyes, Author at The Green Optimistic

New Pathway for Atmospheric Formation of Sulfuric Acid Discovered

Maria Reyes — Thu, 09 Aug 2012 18:04:04 +0000

Researchers from two universities discovered a new sunlight-independent pathway for the formation of sulfuric acid in the atmosphere. Sulfuric acid is known to have significant environmental and health impacts. An international team of scientists headed by the University of Colorado Boulder and the University of Helsinki made the discovery. A paper on the discovery was […]

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ecoSolargy Makes Solar Power Investments Sustainable

Maria Reyes — Wed, 01 Aug 2012 14:11:43 +0000

Investing in green and renewable energy has never been more cost-efficient than with ecoSolargy’s new solar module lines, namely, the Lotus, Apollo and Zeus series. These new modules are guaranteed to cut investment payback by up to five years, while delivering state-of-the-art solar power solutions for the world’s needs. Alan Lee, CEO at ecoSolargy, says […]

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Panasonic Replicates Efficiency of Plant Photosynthesis

Maria Reyes — Tue, 31 Jul 2012 18:48:33 +0000

Researchers from Panasonic Corp replicate the ability of plants to use sunlight, water and carbon dioxide to form organic compounds, with the same efficiency. Artificial photosynthesis will soon be a viable technology to produce a wide array of organic materials. The solar efficiency of the system is 0.2 percent, the same efficiency of plants that […]

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First Marine Energy Park in Scotland to Boost Fledging Sector

Maria Reyes — Tue, 31 Jul 2012 18:46:47 +0000

Scotland launches its first Marine Energy Park (MEP) in the Pentland Firth and Orkney Waters area. It represents the largest wave and tidal development zone in that part of the world. Climate Change Minister Greg Barker officially opens the park, which aims to boost the country’s fast growing marine power industry. The park is the […]

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Methane-Producing Microbes as New Source of Renewable Energy

Maria Reyes — Tue, 31 Jul 2012 05:59:12 +0000

Researchers from Stanford and Penn State are studying microbes that can convert carbon dioxide to methane using electricity. These microbes could be potential sources of renewable energy. Methane is the main component of natural gas, which is a fossil fuel. Many organic compounds used in industry are derived from fossil fuels. The goal of the […]

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Renewable Energy Usage Led by Germany in 2012

Maria Reyes — Fri, 27 Jul 2012 20:03:37 +0000

Germany is fast becoming a world leader in renewable energy usage. In the first half of 2012, a staggering 67.9 billion KWh was generated from renewable sources, which is equivalent to 25.97 percent of electricity generation in the country. That is a tremendous leap compared to 20.56 percent in 2011 and 18.3 percent in 2010 […]

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New Technology Allows Fabrication of Solar Cells from any Semiconductor Material

Maria Reyes — Fri, 27 Jul 2012 20:02:01 +0000

Researchers at Berkeley Lab are developing a novel technology that allows the fabrication of low-cost, high efficiency solar cells from any semiconductor material. The new technology allows scientist to sidestep the difficulty in chemically tailoring many earth-abundant, non-toxic semiconductors such as metal oxides, sulfides and phosphides. The paper describing this research was published in Nano […]

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Zinc-Air Battery for Electric Vehicles To Be Unveiled in 2013

Maria Reyes — Thu, 26 Jul 2012 19:23:02 +0000

Electric vehicles still lag behind their gas-powered cousins because of the limited range, long charging times and high cost of their battery packs. However, there is a bright light ahead as Eos Energy unveils a 160 kWh zinc-air battery that could hit the market in 2013. Eos Energy will first apply their zinc-air batteries to […]

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Mobile Robots Could Reduce Costs of Solar Power

Maria Reyes — Thu, 26 Jul 2012 18:47:16 +0000

Solar power remains the most viable option in the fight to replace fossil fuels. Yet, it still accounts for less than two percent of the world’s total electrical output, despite a drastic decrease in the prices of solar panels. In a bid to make solar power more economical, two companies in Germany have developed mobile […]

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Technology Developed for Extracting Carbon Dioxide from Air Efficiently

Maria Reyes — Wed, 25 Jul 2012 15:52:36 +0000

Most researchers today are concerned with reducing the emission of carbon dioxide by designing more efficient engines and switching to renewable sources of energy. Researchers at Georgia Institute of Technology have chosen another route; they are studying the direct extraction of carbon dioxide from air using newly developed adsorbent materials. The technology was initially used […]

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Engineer’s Plug-In Hybrid Retrofit Kit Can Double Any Car’s Mileage

Maria Reyes — Wed, 25 Jul 2012 15:51:20 +0000

Dr. Charles Perry, former IBM engineer, had devised a kit that turns any car into a plug-in hybrid for as low as $3,000. He and his team at Middle Tennessee State University (MTSU) retrofitted a 1994 Honda station wagon and reported gas mileage increased from 50 to 100 percent. According to Perry, the key aspect […]

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Synchronous Rise in Temperature and Carbon Dioxide Associated with Climate Change

Maria Reyes — Wed, 25 Jul 2012 06:40:36 +0000

The greatest climate change in the last 100,000 years was the shift from ice age to the warm interglacial period 19,000 years ago. New research showed temperature rise was closely followed by a rise in carbon dioxide during this shift. Scientists previously thought there was a gap of about 1000 years; new evidence suggested the […]

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Wireless Laser Recharging for Electric Airplanes a Step Forward

Maria Reyes — Wed, 25 Jul 2012 06:36:57 +0000

Imagine seeing laser beams lighting the dark sky. What could it be? It is a wireless laser recharging technology for electric airplanes without the need of power lines and power transmission infrastructures. LaserMotive, a Seattle-based company has been in collaboration with Lockheed Martin to recharge electric aircraft in flight using laser beams that charge batteries […]

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Biological Switch Helps Optimize Algae Biofuel Production

Maria Reyes — Mon, 23 Jul 2012 16:02:55 +0000

Researchers have discovered a biological switch in blue-green algae that reacts to light, thereby altering the movement of electrons inside the cell. The new findings could help optimize biofuel production by algae. Algae are prime targets for biofuel production. They are non-feedstock and will not compete with arable land for their growth and production. They […]

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New Iron Catalyst Modeled from Nature Developed for Hydrogen Fuel Cells

Maria Reyes — Mon, 23 Jul 2012 16:01:47 +0000

Pacific Northwest National Laboratory (PNNL) is using nature to model a more efficient catalyst for hydrogen fuel cells. The new catalyst uses an iron center with molecular chains composed of nitrogen atoms that can extract electrons from hydrogen atoms. This can potentially replace the expensive commercial platinum catalyst, which can lead to the production of […]

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New and Improved Biofuel Production from Agricultural Wastes

Maria Reyes — Fri, 20 Jul 2012 18:57:07 +0000

Researchers from Michigan State University (MSU) develop a new biofuel production process that generates 20 times more energy than currently known methods. The process highlights a novel use of microbes to produce ethanol and hydrogen from agricultural wastes. Gemma Reguera, MSU microbiologist, is the co-author of the study along with Allison Spears, MSU graduate student. […]

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Lithium-Air Battery Breakthrough Gives Hopes to EV Industry

Maria Reyes — Fri, 20 Jul 2012 18:56:15 +0000

The Lithium-air battery technology is a promising solution to make the range of electric vehicles comparable to gasoline-powered vehicles. It has the potential to store ten times more energy than the best lithium-ion battery available in the market nowadays. However, no stable battery configuration had been designed until now. In order to operate, the components […]

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Global Carbon Dioxide Emissions Continue to Rise, European Report Estimates

Maria Reyes — Fri, 20 Jul 2012 18:53:55 +0000

Worldwide carbon dioxide emissions continue to rise amidst threats of global warming and climate change. Records show a 3% increase in global emissions in 2011, which translates to an all-time high of 34 billion tons of CO2 released in the atmosphere. These findings were taken from the annual report ‘Trends in global CO2 emissions’, which […]

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Elon Musk Envisions Hyperloop, A Solar Powered Transportation System

Maria Reyes — Thu, 19 Jul 2012 20:12:11 +0000

Elon Musk, the creator of Paypal, Tesla Motors and SpaceX, does not only concern himself with space travel. He recently talks about a futuristic system of transportation he calls the ‘Hyperloop’. It is a system that never crashes, operates independent of weather conditions, and travels twice as fast as planes. Musk calls the Hyperloop the […]

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Eco-routing Navigation System to Extend the Range of Electric Vehicles

Maria Reyes — Thu, 19 Jul 2012 20:07:49 +0000

Researchers are developing an eco-routing navigation system that can extend the range of electric vehicles by at least ten percent. The system will consider real-time traffic information, road type and grade, and passenger and cargo weight. Guoyuan Wu, from the University of California, Riverside, heads the research. His co-investigators are Matthew Barth and Kanok Boriboonsomsin. […]

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Liberty Box: A New Kind of Solar-Powered Hot Water System

Maria Reyes — Wed, 18 Jul 2012 18:05:09 +0000

Liberty Box, developed by EDS USA, offers a new kind of residential solar hot water system. It does not require installation of extra plumbing like conventional solar water heater. Instead, it uses electricity generated from photovoltaic solar panels to heat a second heater element in an existing water heater. This system requires no batteries, no […]

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Thermal Mass Construction Revolutionizes Green Residential Architecture

Maria Reyes — Wed, 18 Jul 2012 18:02:19 +0000

Thermal mass construction (TMC) operates on the principle that it is more energy-efficient to keep a relatively massive structure at a steady temperature than it is to manipulate the temperature of air. TMC has been hailed as the evolution of residential architecture. An empty refrigerator uses more energy than a full one. Objects denser that […]

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Solar Powered Coating Developed for Self-Cleaning Surfaces

Maria Reyes — Wed, 18 Jul 2012 17:58:37 +0000

Today’s technology is not just about smart gadgets, but also about smart materials that possess self-cleaning capabilities as well. Talking about progress, even cleaning is becoming more time and energy-efficient. Scientists belonging to the Fraunhofer Photocatalysis Alliance, which is composed of ten Fraunhofer Institutes, are conducting research on titanium dioxide. Titanium dioxide is a photocatalyst; […]

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Global Warming Prevents Water Turnover in Lake Zurich

Maria Reyes — Tue, 17 Jul 2012 20:44:21 +0000

The University of Zurich reports that there is insufficient water turnover in Lake Zurich because of global warming. This phenomenon favors the growth and proliferation of the harmful Burgundy blood algae in the lake. Water turnover usually occurs during the winter when the entire lake cools down. Intensive winds trigger the turnover or exchange of […]

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Scientists Understanding How Aluminum Hydride Can Better Store Hydrogen

Maria Reyes — Tue, 17 Jul 2012 20:42:17 +0000

Scientists at the University of California, Santa Barbara (UCSB) performed simulation studies on the mechanism of hydrogen release or dehydrogenation of aluminum hydride, AlH3. The results of their study could challenge basic assumptions on the field of reaction kinetics. Hydrogen is an efficient energy carrier. It powers fuel cells in electric cars. It can store […]

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Nickel-Iron Battery Company Combines Business and Social Mission

Maria Reyes — Mon, 16 Jul 2012 18:54:50 +0000

Brandon and Maggie Williams created the Iron Edison Battery Company to address the issue of toxic waste related to rampant battery disposal. Their company is a living proof that business and profitability do not have to come at the expense of destroying the environment. Brandon Williams, CEO of the company, said they wanted to serve […]

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Air Pollution in Europe Worsened by Natural Causes

Maria Reyes — Mon, 16 Jul 2012 18:50:34 +0000

Mediterranean countries find it harder to comply with the EU clean air directive due to the prevalence of natural pollution. Chief among these natural pollutants are desert sand, sea salt, volcanic ash and particulate matter from forest fires. The European Environmental Agency (EEA) reports that Spain has the highest levels of natural pollutants. The country […]

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General Electric Develops New Long Lasting Battery

Maria Reyes — Fri, 13 Jul 2012 18:15:35 +0000

GE is now developing a more durable and long lasting battery that charges more quickly. It will make off-grid power generation more efficient and help utilities incorporate power from a wide range of sources including solar and wind power. A $100 million battery factory was recently opened by GE to make this new kind of […]

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New Vertical Axis Wind Turbine Prototype Built for Cities’ Low Speed Winds

Maria Reyes — Fri, 13 Jul 2012 18:13:49 +0000

A prototype for a brand new design of wind turbine was installed at Keele University Science and Business Park in the UK. The new design is especially adapted for use in urban settings. It could someday be ubiquitous in the city landscape when office and residential buildings incorporate this technology in their rooftops to harness […]

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Possible Contamination of Drinking Water from Fracking Operations

Maria Reyes — Fri, 13 Jul 2012 05:58:52 +0000

Can fracking operations contaminate drinking water? Findings of recent geological studies generate many disputes on the safety claims of the hydraulic fracturing industry. Hydraulic fracturing involves directing pressurized fluid onto deep shale of rocks to break them open in order to release the trapped methane gas inside. Geologists guauuuurantee this process will not contaminate the […]

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European Union to Implement Drastic Carbon Dioxide Reductions by 2020

Maria Reyes — Fri, 13 Jul 2012 03:46:55 +0000

There will be drastic reductions in CO2 emissions for new cars and light commercial vehicles by 2020. The European Commission reported this news as plans were revealed to implement these proposals. Commissioner Connie Hedegaard said this is a win-win situation for different sectors. This move will lessen greenhouse gas emissions that cause global warming. The […]

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Super Strain of Microalgae with Biofuel Potential Discovered in Australia

Maria Reyes — Wed, 11 Jul 2012 19:26:57 +0000

Researchers at SARDI have discovered and isolated a super strain of a native microalgae species after six years of bioprospecting. This discovery could form the basis of a local biofuels industry. The research is part of a $4.2 million microalgae biorefinery project funded by the Department of Further Education, Employment, Science and Technology. The project […]

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Alternating Current from Friction With Triboelectric Nanogenerators

Maria Reyes — Wed, 11 Jul 2012 19:24:51 +0000

Researchers at Georgia Institute of Technology have discovered a way to produce electricity from random mechanical motion using triboelectric nanogenerators. These are devices fabricated from flexible polymeric materials with a high degree of transparency. Rubbing the surface of these devices can generate alternating current from friction. The research was published in the June issue of […]

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Methanol Fuel Cells to Extend Range of Electric Qbeak by 500 miles

Maria Reyes — Tue, 10 Jul 2012 03:52:08 +0000

Ecomove, a Danish manufacturing firm, is developing a range-extended version of its Qbeak electric vehicle. The new vehicle is projected to go for 500 miles in-between battery charges by using methanol fuel cells as range-extenders. The vehicle incorporates up to six slots for modules containing a battery, methanol tank or fuel cell, according to user […]

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New Vanadium Oxide Fuel Cell Can Both Generate and Store Energy

Maria Reyes — Mon, 09 Jul 2012 14:04:28 +0000

It is now entirely possible for electrical gadgets to keep on running after fuel is depleted. Materials scientists at Harvard have developed a solid-oxide fuel cell (SOFC) that uses hydrogen as fuel to generate electricity, but can store electrochemical energy like a battery as well. Recent advances in low-temperature operation allowed the thin-film SOFC to […]

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New System Developed to Predict Wave Power Doubles Marine Energy Output

Maria Reyes — Sat, 07 Jul 2012 15:20:44 +0000

Researchers at the University of Exeter developed a system that can predict wave power. This offers huge possibilities in harnessing the full potential of marine energy. The existing technology to extract energy from the sea is still immature compared to solar or wind energy. It is not yet commercially competitive without subsidy. The key challenges […]

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NASA Develops Better Airborne Wind Power System

Maria Reyes — Sat, 07 Jul 2012 15:19:03 +0000

NASA is developing an airborne wind-power system that is expected to be more efficient than land-based tower turbines. The system has two components. One is a set of turbines attached to a kite that generates electricity. The other is a ground-based generator connected to the kite and powered by the kite’s motion. The reeling phase […]

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Fungal Genome Study Explains End of Coal Formation and Shows Possible Biofuel Application

Maria Reyes — Fri, 06 Jul 2012 14:20:10 +0000

The world’s coal deposits were roughly formed during a 60-million year period from 360 to 300 million years ago. Then, it stopped at the end of the Carboniferous period. What happened? A team of 71 researchers from 12 countries, including the U.S. Department of Energy Joint Genome Institute (JOE JGI), published their study in the […]

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Aerosols from Volcanic Eruption Could Reverse Global Warming

Maria Reyes — Fri, 06 Jul 2012 14:18:12 +0000

Aerosols from the June 2011 eruption of Nabro volcano in Eritrea in northeast Africa breached the stratosphere layer. This discovery was reported in the July 6 issue of Science by researchers led by Adam Bourassa of the University of Saskatchewan (U of S) Institute of Space and Atmospheric Studies. The stratosphere is the layer next to […]

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Stanford Unveils Printable and Conducting Polymer Hydrogel with High Electrical Activity

Maria Reyes — Thu, 05 Jul 2012 19:44:01 +0000

Researchers at Stanford recently reported the synthesis of an electrically conducting hydrogel that possesses high electrical activity comparable to metals. It is easy to fabricate and patterns can be printed on its surface using a simple inkjet printer. Professors Zhenan Bao and Yi Cui with their associates developed this new gel. They published their study […]

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Obama’s Proposal to Raise Fuel Economy Creates 570,000 U.S. Jobs

Maria Reyes — Thu, 05 Jul 2012 19:42:21 +0000

The Obama Administration’s recent proposal to reduce fuel use is expected to create 570,000 jobs in the U.S. by 2030. Of this figure, 50,000 new jobs will be in light-duty vehicle manufacturing and assembly alone. The proposal calls for the implementation of a vehicle fuel economy standards for light-duty vehicles built from 2017 to 2025. […]

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Health Threats from Exponential Growth of Cyanobacteria Due to Global Warming

Maria Reyes — Wed, 04 Jul 2012 21:42:32 +0000

Cyanobacteria are aquatic microorganisms that thrive best in warm waters. Global warming has been linked to the exponential growth of these microorganisms in natural waters that poses a serious threat to human health. These microorganisms can produce toxins harmful to the cells, nervous system, liver and other organs in the body. Rehab El-Shehawy expressed concerns […]

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CryoSolplus: Keeping Things Cooler Under the Hood of Electric Vehicles

Maria Reyes — Wed, 04 Jul 2012 21:38:31 +0000

More and more people are switching to electric vehicles to lessen their carbon dioxide footprint. However, a problem with electric vehicles is battery overheating. This problem can be solved with CryoSolplus, a new coolant, developed by researchers at the Fraunhofer Institute in German, that is reported to be three times more efficient than water. With […]

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Amorphous Silicon Integrated PVT: The More Efficient Solar Energy Solution

Maria Reyes — Wed, 04 Jul 2012 20:07:17 +0000

Dealing with the dilemma of wanting to install power-generating solar panels, but these are too bulky and will leave no space for your solar heating system? Worry no more. Researchers have developed an integrated PVT using amorphous silicon that optimizes the efficiency of both solar electricity generation and solar heat generation in one convenient package. […]

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Comeback of Vacuum Tube Technology: The Ultimate in Transistor Speed

Maria Reyes — Tue, 03 Jul 2012 14:45:51 +0000

Electron movements in silicon transistors are limited by collisions and scattering. What if the bumps are removed and the electrons can travel freely in empty space? Such a phenomenon is possible in vacuum transistors to achieve the ultimate in transistor speed and efficiency. Researchers in Pittsburgh University’s Swanson School of Engineering led by Hong Koo […]

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Argonne Scientists Developing New Nuclear Recycling Techniques

Maria Reyes — Fri, 29 Jun 2012 18:09:19 +0000

Nuclear energy is the most viable option for the looming energy crisis. It is carbon-free energy since it does not produce carbon dioxide that can cause global warming. However, limitations in the current technology only allow us to use 5% of the uranium rods that are used as nuclear fuel to generate usable energy. That […]

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New High-Performance Water Desalination Technique Uses Nanoporous Graphene

Maria Reyes — Fri, 29 Jun 2012 18:03:24 +0000

About 97 percent of the earth’s water is found in seas and oceans, yet only a fraction of the world’s potable water comes from desalination of seawater. The looming water crisis drives the search for efficient, cheap and sustainable desalination techniques to recover potable water from seawater. In a new study published in Nano Letters, […]

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