Air Battery

Researchers at the University of St Andrews, with associates at Strathclyde and Newcastle, have developed a new type of air-fueled battery that could provide up to 10 times the energy storage of existing designs, paving the way for a new generation of electric cars and portable devices.

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Dynamic Lamp

It has a dynamo on the inside of the globe that converts kinetic energy and gets its glow going.

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Mud as an energy source

The soil lamp uses the chemical reaction between copper, zinc, and slightly moistened mud to create enough electrical current to power an LED lamp.

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MIT's batteries fully recharge in seconds

MIT engineers have developed a type of high-speed tunnel for transporting electrical energy through lithium iron phosphate, a well-known battery material. The discovery may yield lithium ion batteries that fully discharge and recharge in seconds, rather than hours, making batteries lighter, more powerful, and finally suitable for the all-electric vehicle that can be recharged in the same amount of time it takes to refuel the tank today.

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MIT

Batteries Charge In 10 Seconds

Developed by Gerbrand Ceder, a professor of materials science at MIT, it could be particularly useful where rapid power bursts are needed, such as for hybrid cars, but also for portable electronic devices. In testing, batteries incorporating the electrodes discharged in just 10 seconds.

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Vectrix US

American Electric Scooter.

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Green Bullets

The Department of Defense started the Green Bullets program and developed a new nontoxic bullet designed for the M-16 rifles used by US and NATO troops. This new "green bullet" is just as effective as traditional ammo but poses no environmental threat. Instead of a lead core, the bullet is composed of a mixture of tungsten and tin.

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The AirPod

The AirPod vehicle is small, holding just three passengers, with a single seat facing front for the driver and a bench facing backward for two more people. MDI claims a range of more than 112 miles in an urban setting, and less than two minutes to refill the 46-gallon air tank. But even though the AirPod can reach speeds of just less than 45 mph, the air-powered engine produces only 8 horsepower, suggesting slow acceleration.

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Make or Break for Green Industries

Facing the worst economic conditions since World War II, the green-tech industry is heading for a make-or-break period in which perhaps only the well-funded, the most innovative, and the most politically connected will survive.

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RainCloud

Anyone with a home dehumidifier knows water can be sucked out of the air. Cleanworld Ltd. in the UK designed the RainCloud C-15 for your home or office. Simply put, it's a small dehumidifier with a built-in water purification system to produce drinking water, with hot and cold options.

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Light-guide Solar Optic

By Morgan Solar, Toronto, Canada -- a revolutionary new way to capture, transport and concentrate sunlight.

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The Magenn MARS Wind System

Wind power is notoriously flighty, particularly at ground level. Most turbine-on-a-post wind powered generators operate at around 20-40% of their rated generation capacity, simply because wind is intermittent and changes direction. But a generator situated 500-1000 feet above ground level would enjoy much more consistent strong wind - which is why the Magenn MARS system makes so much sense.

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The Revolution Door

Fluxxlab, a design firm aiming to convert small amounts of human energy into electricity has created The Revolution Door and Powerslide, two prototype devices with mechanical/electrical systems that harnesses human motion and redistribute it as electricity.

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GreenWheel

Scientists at MIT are testing a new power generation, storage and propulsion system known as the GreenWheel. Greenwheel is a wheel with a storage battery and motor that will turn any pedal bicycle into an electric bike.

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Solar Thermal Waste Heat Engine works at low temperature, low pressure

The compact, lightweight 18 lb (8 kg) Waste Heat Engine is a six-cylinder radial steam engine capable of running on waste heat as low as 225 °F (107 °C) and pressure as low as 25 psi (172 kPa). The engine achieves maximum efficiencies at 600 °F (316 °C) and steam pressure of 200 psi (1.4 MPa), at which point one Waste Heat Engine can generate 16 hp (12 kW), 30 lb-ft (41 Nm) of torque, and a little over 10 kW of electrical output. The only drawback is the typically low 12% energy efficiency common with most reciprocating steam engines. On the plus side the piston-based steam engine operates at a maximum of 3000 rpm which means it is well suited to drive any standard generator.

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The Electric Bike

There are an estimated 1 million electric two-wheelers on Shanghai's streets. The China Bicycle Association, a government-chartered industry group in Beijing, estimates that last year manufacturers sold 7.5 million electric bikes nationwide—nearly double the sales in 2003—and they are likely to ship more than 10 million this year. Shouldn't we be using them in the US also?

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Spinning Buildings

When the twisted tower in this rendering is completed in Dubai in 2010, each of its 80 floors will rotate independently around a central column that will house its elevator shafts, stairwells, and utilities.

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Laser to Light to Electricity

Photonic Power Systems Inc. has developed a system that uses a laser to inject power in the form of light into a fiber-optic cable and a photovoltaic (PV) array to convert the light back into electricity for powering devices. This method of transferring power has advantages in situations where sparks or shorts can be a fatal problem, where electromagnetic interference is more than just an inconvenience—in cellphone base stations, for example, or in pacemakers—and where conventional methods are bulky and cumbersome.

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Atmospheric water generator

A device that pulls water from the air by cooling it to the point that condensation forms and then keeps it sterile for drinking. 
Element Four’s WaterMill is a 300‑watt generator that makes up to 12 liters of drinking water per day—enough, it says, for your typical North American household.

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Element Four

The Electric Car Infrastructure

California start-up Better Place and Danish utility Dong Energy said Tuesday they have lined up financing to bring an electric car charging network to Denmark by 2011. The two organizations have secured almost $103 million in equity and convertible debt that will go toward constructing stations where drivers can swap in fresh batteries for electric cars. Denmark appears to be the first to secure financing to build the charging infrastructure.

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Better Place