Best solar panels to use, best brand of solar panels for value vs. efficiency, based on a short interview with Dan Yechout of Namasta Solar

SunPower and Sanyo solar panels are two high efficiency and high end brands which means you get the most power per square foot but also the highest cost per watt. SunPower [...]

The great ideas are often simple. When you have solar PV panels to produce electricity - you produce electricity. Or when you have solar water heaters - you produce hot water for your need. A company I want you to introduce is making a solar system which is generating electricity AND capturing the heat [...]

At Nanosolar - a company producing thin film solar cells based on CIGS - they’ve got a new production tool capable produce 1GW of solar cells per year !!!. While most production tools in the solar industry tend to have 10-30MW in annual production capacity. How is it possible to have a single tool with [...]

IBM becomed a partner with company Tokyo Ohka Kogyo (TOK). IBM wants to develop cheaper and more efficient solar power technologies based on CIGS ( copper-indium-gallium-selenide ). Those cells should be more than 15% efficient. This is much more efficient than usual 6% to 12% efficiency that current (CIGS) solar cells have achieved.
Classic photovoltaic solar [...]

Solar energy is hot these days — pun intended. With energy bills on the rise, nonrenewable fossil fuels in decline, and federal and state tax incentives available, you may be thinking about buying a solar energy system that turns sunlight into electricity. You’re not alone: According to the research firm Solarbuzz, the U.S. market for [...]

With rising energy costs, many homeowners are asking, “Is there any relief?” The answer is YES! Thousands of homeowners in California have done their research and found solar to be a cost-effective, environmentally responsible way to reduce or zero their electric bills. There is some satisfaction in a solution that reduces dependence on the supply [...]

A solar shower is a fun and highly efficient device for summer. It operates by attaching a standard garden hose to the shower — water is heated inside an integrated solar-thermal tank. After 1-2 hours the water will be hot enough for a shower. Solar heated shower are also handy for camping — you can [...]

How cheap is cheap? Renault-Nissan Chief Executive Carlos Ghosn is betting that for autos, the magic number is under $3,000. At a plant-opening ceremony in India Apr. 4, he was already talking up the industry’s next challenge: a future model that would sport a sticker price as low as $2,500—about 40% less than the least [...]

Toyota is promising two new hybrid vehicles and the start of lithium-ion battery production next year.
The two hybrids–one badged a Toyota, the other a Lexus–will debut at the Detroit auto show and come on top of the third-generation Prius car, also due in 2009.
Toyota didn’t give further details about the upcoming vehicles. But Masatami Takimoto, [...]

BYD, China’s biggest battery maker, isn’t wasting any time carving its niche in the new world of electric cars and plug-in hybrids. It all started with the F6DM plug-in hybrid sedan, followed by the smaller and less expensive F3DM plug-in hybrid compact car.
Now BYD has introduced its E6 electric car at the Beijing International Auto [...]