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Environment

Briefs : Energy
Fuel-Cell-Powered Vehicle With Hybrid Power Management

NASA Glenn Research Center has developed a hybrid electric utility vehicle that is powered by hydrogen-burning PEM fuel cells operating with a metal hydride hydrogen-storage unit. This vehicle utilizes ultracapacitors - rather than batteries - for storing electric energy.

Briefs : Green Design & Manufacturing
Fine-Water-Mist Multiple-Orientation-Discharge Fire Extinguisher
A fine-water-mist fire-suppression device developed at John H. Glenn Research Center can be discharged uniformly in any orientation via a high-pressure gas propellant. Research in recent years has shown that fine water mist can be an effective alternative to ozone-destructive Halons.
Briefs : Energy
Fuel-Cell Water Separator
NASA Glenn Research Center has designed, built, and tested an innovative fuel-cell water separator that not only removes liquid water from a fuel cell’s exhaust ports, but does so with no moving parts or other power-consuming components. The separator employs the potential and kinetic energies already present in the...
News : Energy
Recovering Raw Materials for Green Technologies

Engineering researchers from the University of Leeds have discovered how to recover significant quantities of rare-earth oxides, present in titanium dioxide minerals. Rare-earth oxides are useful in many applications, such as the manufacture of wind turbines, energy-efficient lighting, and hybrid...

News : Green Design & Manufacturing
A Backyard Science Approach to Environmental Monitoring

Jessica Lundquist - a University of Washington assistant professor of civil and environmental engineering - uses dime-sized temperature sensors, which were first developed for the refrigerated food industry, and tennis balls to study mountain precipitation.

News : Energy
Bacteria Turns Carbon Dioxide Into Liquid Fuel

Researchers from the UCLA Henry Samueli School of Engineering and Applied Science have genetically modified a cyanobacterium to consume carbon dioxide and produce the liquid fuel isobutanol, which has great potential as a gasoline alternative. The reaction is powered directly by energy from...

News : Green Design & Manufacturing
User-Friendly Forest-Monitoring Technology

Forest-monitoring technology developed by scientists at Carnegie Institute’s Department of Global Ecology combines free satellite imagery and powerful analytical methods into an easy-to-use, desktop software package called CLASlite. The team announced its new web site for CLASlite users today, at the...

News : Electronics & Computers
First Night Flight Using Solar Energy On the Horizon

The Solar Impulse HB-SIA - the first airplane designed to fly day and night without fuel - left the ground yesterday for the first time. Recent results from ground tests had verified the prototype's controllability, acceleration, braking paths, and engine power.

Products : Green Design & Manufacturing
A Designer's Carbon Calculator

Rocky Mountain Institute has released Green Footstep - a free online tool for architects, engineers, and developers, which reveals design targets to achieve carbon neutrality in building construction and retrofit projects.

News : Green Design & Manufacturing
Hydrogen-Powered Fuel Cell UAV Sets Record

The Naval Research Laboratory's Ion Tiger - a hydrogen-powered fuel cell unmanned air vehicle (UAV) - flew for 26 hours and 1 minute carrying a 5-pound payload, setting an unofficial flight endurance record for a fuel-cell powered flight. The test flight took place November 16-17.

News : Energy
Electrochemical Energy Storage Technologies and the Automotive Industry

A lecture from Berkeley Lab's Environmental Energy Technologies Division covers some promising materials research efforts that are expected to lead to improved battery technology. Mark Verbrugge, the director of the Chemical Sciences and Materials Systems Lab at General...

News : Green Design & Manufacturing
New Pathway to Forming Hydrogen Storage Compounds

Scientists at the Carnegie Institution for Science have found that high pressure can be used to make a unique hydrogen-storage material. The researchers found that the normally unreactive, noble gas xenon combines with molecular hydrogen under pressure to form a previously unknown solid with...

News : Energy
NASA's Algae Bioreactor Licensed to Algae Systems, LLC

Earlier this year, NASA introduced an algae photo-bioreactor that grows algae in municipal wastewater to produce biofuel and a variety of other products. The NASA bioreactor is an Offshore Membrane Enclosure for Growing Algae (OMEGA), which won't compete with agriculture for land,...

News : Green Design & Manufacturing
Microscopic Bubbles Clean Oil from Polluted Water

Small amounts of oil leave a fluorescent sheen on polluted water. Oil sheen is hard to remove, even when the water is aerated with ozone or filtered through sand. A University of Utah engineer has developed an inexpensive method to remove oil sheen by repeatedly pressurizing and depressurizing...

News : Energy
Algae as a High-Temperature Hydrogen Source

A team of researchers from the University of Tennessee, Knoxville and Oak Ridge National Laboratory have found that the inner machinery of photosynthesis can be isolated from certain algae and, when coupled with a platinum catalyst, is able to produce a steady supply of hydrogen when exposed to light.

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