[China First Commercial Hydrogen Internal Combustion Engine Heavy Truck Released]At the Shandong High-end Equipment Manufacturing Science and Technology Achievement Exhibition on June 15, China National Heavy Duty Truck and Weichai Power released the first domestic commercial hydrogen internal combustion engine heavy truck officially unveiled. It is reported that the car is equipped with a 13L hydrogen internal combustion engine independently developed by Weichai Power, and adopts precise hydrogen injection control technology to realize flexible and accurate supply of hydrogen fuel, so that the effective thermal efficiency can reach 41.8%. Editor / Xu Shengpeng
The Dalian No.1 low altitude cross sea long endurance composite wing unmanned aerial vehicle independently developed by Dalian University of Technology has successfully completed its first sea flight test. The core indicators such as mounting capacity, range and endurance, and wind resistance of this aircraft model have all met expectations, adding a high-performance practical platform for China to build an integrated low altitude economic ecosystem of land, sea and air. Editor/Cheng Liting
On July 6, 2026, the JHW91-13 well located in the Jimsar National Continental Shale Oil Demonstration Zone in Xinjiang was successfully drilled, with a completion period of 7.75 days, a completion depth of 5501 meters, and a vertical depth of 4031 meters, breaking the record for the shortest drilling period for shale oil at the same depth in China. The drilling efficiency reached the advanced level of shale oil wells of the same type in North America. Editor/Cheng Liting