The old saying that there is strength in numbers also applies to fuel cells. To deliver a high enough power output, a number of cells have to be connected in series. Manufacturers normally stack the fuel cells - a structure consisting of several metal plates, each containing one channel for air and one for hydrogen.
The EPA's ENERGY STAR program reports that the average American household spends more than $1,900 each year on energy bills, and that figure is destined to climb. Doors and windows are among the most popular ENERGY STAR building products recommended for replacement because homeowners are well aware of their insulating value, home energy savings potential and return on investment.
Baltimore, Md.-based Haven Custom Homes, in conjunction with Old Man Construction of Charleston, S.C., and Cobalt LLC, has completed its first five EarthCraft House(TM)- and ENERGY STAR-certified custom homes, furthering its continuing commitment to creating energy efficient, eco-friendly homes.
Homeland Security Network, Inc., doing business as Global Ecology Corporation (GEC), today announced that it has successfully completed testing its PureWater System(TM) prototype, which uses GEC’s proprietary copper sulfate acid formula to purify water.
HP and Xtreme Energetics (XE), a solar energy system developer based in Livermore, Calif., today announced they have entered into an agreement for the development of a solar energy system designed to generate electricity at twice the efficiency and half the cost of traditional solar panels.
Air New Zealand announced today it expects to use at least one million barrels of environmentally sustainable fuel annually by 2013.
The energy we use to heat our homes and offices consumes almost 40 per-cent of the total energy used across Europe.
The Mayor of London, Boris Johnson, has welcomed a brand new centre for low carbon technology in buildings at London South Bank University (LSBU) which will help put London at the forefront of the fight to tackle climate change.
In addition, the company announced that wind turbines in Benton County, Ind., from which Vectren contracted to purchase 30 megawatts (MW) of power last year, are now online, and Vectren customers are officially receiving renewable energy.
Siemens Energy will establish its U.S. wind turbine R+D competence center in Boulder, Colorado. The facility is expected to employ an estimated 50 people and will focus on atmospheric science research, aerodynamic blade design, structural dynamics, wind turbine dispatch prediction and reliability.
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