[CSCEC won the bid for the Dhaka Silet Highway section in Bangladesh] Recently, China Construction Seventh Bureau won the DS08 bid section of the Dhaka Silet Highway Upgrading and Renovation Project in Bangladesh, with a total length of 16.4 kilometers. The project is located between the capital city of Dhaka and the largest city in the northeast, Silet, about 160 kilometers away from the city center of Dhaka. It has been upgraded from a two-way two lane road to a two-way four lane road, and the construction includes road engineering, bridge and culvert engineering, slope and embankment protection, and traffic ancillary engineering. As a part of the economic corridor of the South Asian subcontinent in Bangladesh, the project will open a new trade corridor between the capital Dhaka and Silet after completion, greatly improving the road safety and mobility of the Northeast Economic Corridor in Bangladesh, and will play an important role in attracting external investment, reducing transportation and trade costs, and stimulating economic and social development along the line. Editor/Ma Xue

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• 2025.10.22 10:36
• [Why has green hydrogen become the 'champagne of energy transition'?]
• In 2025, green hydrogen, as an important option for clean energy, has attracted widespread attention for its applicability. According to the analysis released by Greenpeace, green hydrogen should be used in specific scenarios and should not be seen as a universal solution. Hydrogen energy is divided into different "colors" according to its production method: gray hydrogen is produced from natural gas and emits a large amount of carbon dioxide; Blue hydrogen combined carbon capture technology, but with high cost and risk; Green hydrogen is produced by electrolyzing water from renewable energy sources to achieve climate neutrality, but producing 1 kilogram requires approximately 55 kilowatt hours of electricity. In addition, there are various types such as red hydrogen, orange hydrogen, and yellow hydrogen. Green hydrogen is mainly suitable for fields that are difficult to electrify, such as some steel production, specific metal manufacturing, and hydrogenation processes in the petrochemical industry. In terms of energy storage, hydrogen has low conversion efficiency and energy loss can reach up to 60%. In scenarios such as heating and road traffic, green hydrogen lacks economic and efficiency advantages. The efficiency of heat pumps is about 5 times that of hydrogen heating, and the efficiency of electric vehicles is also 3 times that of hydrogen internal combustion engines. In addition, storage and transportation solutions for liquid hydrogen and ammonia still face challenges in terms of immature technology and facility renovation. Experts point out that achieving climate goals should prioritize direct electrification, improving energy efficiency and conservation, and green hydrogen can only serve as a supplement to specific fields. As economist Claudia Kenfert said, it is more like "champagne in the energy transition" - precious but not universal. Editor/Yang Beihua

• 2025.10.22 10:32
• [Huaneng Group launches 1950.5MW wind power project and begins bidding]
• The pre bidding announcement for the centralized procurement of 1950.5MW wind turbines and their ancillary equipment for 11 wind power projects including Huaneng Group in Huanghua City, Hebei Province was released today. The total scale of this bidding is 1950.5MW, and the project is divided into 6 sections. According to the bidding rules, it is not allowed for the same bidder to win both Lot 5 and Lot 6 at the same time. If the same bidder is rated as the first candidate for winning the bid in both sections, they will be ranked from small to large based on the sum of the combined quotes of the two sections. The combination with the lowest total price will be recommended as the first candidate for winning the bid in each section, and the bidder will no longer be recommended as a candidate for another section. The remaining candidates will be recommended in order of their comprehensive ranking. Editor/Yang Beihua