Should we choose to have 20% of our power production ideologically clean, or 80% of our electricity needs atmospherically clean? The answer is: we should do both.
If successful, the SS2 and the WK2 could pave the way for a much larger craft that could ferry several hundred passengers into low orbital space and the land in another country or continent without the need for expensive jet fuel.
In the Caribbean, the options are essentially the same, but practically wind and solar energy are the most promising short term solutions.
The only severe downsides of having greenroofs in a desert climate are cost of installing it, and then the water use for irrigation. But as we'll see, the water needed for irrigation is more than covered by available greywater.
Spring has been a busy period for hydrogen fueling stations, with five stations recently opening worldwide.
Today, over 40 of the 50 United States have enacted laws that allow for NEVs to be driven on city streets. As the awareness of NEVs becomes more widespread, and the benefits of owning them and driving them realized, we see significant market potential in the future.
The potential kite power vessels will have many applications for fishing, powering ferryboats, and barges, to providing emergency power to motorboats. The sky is the limit for the future of kiteboating; the ocean is waiting.
A hectare of jatropha yields more than four times as much fuel per hectare as soybean, and more than ten times that of corn.
Only an in-depth, integrated approach to energy access ensures a sustained income rise.
Reducing one's energy overhead costs relatively little and produces a revenue stream that appreciates over time. Replacing one's energy infrastructure with on-site renewable systems, in contrast, will require a sizable up-front financial commitment relative to what it will produce over time.
Nanotechnology is undoubtedly one of the key technologies which will influence energy efficiency
A second generation of Personal Vehicles is being created with performance and range similar to its ancestors, while meeting the priorities of a society re-defining the meaning of community.
The research showed that these panels will work in northern climates. The system was operated over a one month period in February and March when temperatures were at times lower than -20ş C.
This article does not pretend to be an exhaustive dissertation on solar ponds, but it should be enough to wet the appetite of anyone who is searching for a relatively simple almost passive way of collecting the sun's heat and energy.
At the moment, four models have been made: a car, a taxi (5 passengers), a Pick-Up truck and a van. The final selling price will be approximately 5.500 pounds.
Records 2476 to 2490 of 2876
Solar & Wind - Featured Product
The Power Railâ„˘ Commercial Mounting System is designed with the professional PV solar installer in mind. Both the XD/UD and LD/MD rails feature single tool assembly with the revolutionary patented RADâ„˘ Lock-in-Place bolt for fast and secure module clamping. The high strength marine-grade aluminum rails include an integral wiring channel for securing cables and providing a professional finish.