Những nguồn năng lượng truyền thống như thủy điện, dầu mỏ, than… đều đang đứng trước những cảnh báo cạn kiệt buộc nhân loại phải vào cuộc tìm kiếm nguồn năng lượng thay thế. Không chỉ trên thế giới, tại Việt Nam vấn đề này cũng đã được đặt ra từ lâu và một số nguồn năng lượng giải pháp đã được các nhà khoa học nước ta nghiên cứu, thử nghiệm và đưa vào ứng dụng thành công.

It’s known from high school that aluminum can split water in hydrogen and oxygen, with aluminum hydroxide as byproduct. A team of Purdue University researchers has developed a mechanism that uses this reaction between aluminum, water and a liquid alloy to extract hydrogen directly from seawater and use it in boats and ships.

Các giải pháp tiết kiệm chi phí năng lượng bao gồm giải pháp với hệ thống lò hơi, hệ thống máy cán, hệ thống chiếu sáng. Tổng hợp các phương án đề ra ước tính mỗi năm công ty CP Cao su Hà Nội có thể tiết kiệm trên 470 tấn than và khoảng 1 triệu Kwh điện năng. Tính theo mức giá đang áp dụng, mỗi năm doanh nghiệp sẽ giảm chi phí trên 2,1 tỷ đồng.

United States’ Environment Protection Agency (EPA) has increased the percentage of ethanol blending optional for cars and light-weight trucks made in or after 2007 to 15 percent (E15). This is the first increment in the ethanol blending standard in more than 30 years. Since 1979, automobiles had an option to use only 10 percent blended ethanol (E10) in gasoline.

More than 300 students in HCM City on Sunday took part in activities for the International 350 Day for Climate Change. Together with millions of people around the globe, they raised their voices about climate change and environment protection. The students made a painting of five-by-five metres, and 260 small paintings that were combined to depict the number 1,000 in celebration of Ha Noi’s millenium anniversary.

According to architect Pham Minh Hieu of Song Da Thang Long Joint Stock Company, the design of window for any architectural space needs to focus on the air convection. The sizes of window can be various, depending on the structure of the house and hobbies of the owner.

Tocco is a remarkable Italian town, not only for its ancient heritage, but also for its futuristic projects that concern the implementation of renewable energy installations. The town benefits four wind turbines that are more than enough to meet the needs of its 2,700 inhabitants.

Bước đầu, với 8 giải pháp tiết kiệm năng lượng đề ra, ước tính doanh nghiệp tư nhân Thiên Thành sẽ tiết kiệm được 530 triệu đồng từ việc giảm tiêu hao khoảng 62 nghìn Kwh điện và 165 tấn than, thời gian hoàn vốn chỉ trên 1 năm.

On September 26th, Thai An Hydropower Joint Stock Company inaugurated Thai An Hydropower Plant - one of 15 key projects to celebrate the 15th Party Congress of Ha Giang province. Thai An Hydropower Plant is built in Thai An commune (Quan Ba district) and Thuan Hoa commune (Vi Xuyen district). The plant has the capacity of 82MW, with the total investment of more than VND2,000 billion, According to Mr. Nguyen Quang Dao, Chairman of the Board, General Director of Thai An Hydropower JSC.

Anywhere people are walking dogs -- and throwing away dog poop -- can be a source of heat and light by introducing a methane digester into the equation. The first-ever Park Spark project was installed in Cambridge, Mass., on Tudor Street, between Sidney Street and Brookline Street, a few blocks from MIT.

Within two years, three White Sands Missile Range employees have saved more than 4,000 miles of use on their vehicles by riding their bicycles to and from work at least twice a week. Shane Cunico, Phil Simpson and Kurt Austin, who all work at Army Research Laboratory at WSMR, have been riding their bicycles together to work for the last 18 months.

Adobe, the software giant, has installed 12 100-kilowatt solid oxide fuel cells, or Energy Servers, from Bloom Energy at the Adobe headquarters. The cumulative 1.2 megawatts of power that the fuel cells generate will provide Adobe with about one-third of the power it needs to run the building.

Light behaves differently in macro- and nano- scale environments, and this could be a starting point for those researchers who want to improve the solar cells’ efficiency. It was a starting point for some Stanford engineers, who found out that light ricocheting inside an ultra-thin polymer film solar cell behaves differently than if the film wasn’t so thin. The difference is enormous.

Nhà máy đặt tại miền nam Brazil, được đánh giá là “nhà máy tiên phong” trong lĩnh vực sản xuất nhựa từ ethanol từ cây mía.

Chicago-based Invenergy Wind will build a farm equipped with 125 giant wind turbines on o surface of about 30,000 acre in Gratiot County, Michigan. Being considered Michigan’s largest, the $440 million project will produce 200 megawatts of energy by the end of next year, enough to supply electricity for more than 54,000 homes.

A personal helicopter weighing just 230 lb created sizzling news when it flew on hydrogen with zero emission. With an ability to carry payloads up to 800 lbs, this pocket Hercules can fly for 90 minutes. Fitted with easy controls, this reaches a speed of 100 knots thanks to a pair of small yet powerful motors mounted on it. Two common and easily available things – Hydrogen peroxide (H2O2) and a catalyst – combined to bring about a milestone in personal aviation history with attention to the environmental issues as well! Avimech has combined these two to power engine in to an innovative machine.

Theo TKV, sau khi giấy phép thăm dò được cấp, Tập đoàn sẽ khẩn trương tổ chức thi công và lập báo cáo, nếu được nhà nước phê duyệt, TKV sẽ lập các dự án khai thác than thử nghiệm bằng công nghệ khai thác hầm lò truyền thống hoặc khí hóa than trong lòng đất trên cơ sở đảm bảo hiệu quả về kinh tế, môi trường và xã hội.

The U.S. Navy’s Seal Beach facility in California is now home to a new $1.9 million solar parking lot, thanks to funding from the federal Recovery Act. Aside from creating new green construction jobs, the new solar facility will save the Navy more than $30,000 per year in electrical costs. It’s just one part of an all-around solar power makeover for the Navy, which just this summer has commissioned another $100 million worth of new solar projects.

Six miles per gallon doesn't sound like much, but don't tell that to the Pinellas Suncoast Transit Authority. The transit authority's new diesel-electric hybrid buses get two miles per gallon more than the diesel-only cousins they are replacing.

On September 17, the Thien Tan Joint Stock Company was successful in connecting electricity sources from the Ha Nang Hydroelectric Plant with the national electricity network. The plant has been constructed in Tra Thuy Commune, Tra Bong District, Quang Ngai Province. The plant has capacity of 11MW and totally costs more than VND300 billion. The plant supplies 76 million of KW annually.