[Caterpillar provides engines that can use 100% hydrogen] Caterpillar announced on September 2 that it will begin to provide Cat® engine blocks that can run on 100% hydrogen at the end of 2021, including the use of fully renewable green hydrogen through customization. Editor/Bao Hongying

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• 2026.04.02 18:06
• [Serbia's Frasinsk Cascade Hydropower Station launches upgrade and renovation]
• The Frasinsk cascade hydropower station in Serbia, which has been in service for 71 years, has started modernization and upgrading. Andritz is responsible for updating the unit equipment, and the total installed capacity will increase to 138MW after the renovation. The project adopts phased construction to achieve uninterrupted renovation and ensure stable regional power supply. This project has received loan support from the European Bank for Reconstruction and Development and is a key project of Serbia's energy transformation and hydropower renovation plan, aimed at improving efficiency, safety, and renewable energy generation capacity.Editor/Gong Ziwei

• 2026.04.02 17:56
• [Iran denies any damage to its strength and says it will fight until the enemy surrenders]
• On April 2nd local time, a spokesperson for Iran's Hatam Abia Central Command stated that the United States and Israel do not have complete control over Iran's military strength, and the war will continue until the enemy surrenders, warning that more destructive strikes will be launched. On April 1st, Trump claimed a quick and decisive victory in the Iran conflict, stating that Iran's combat capabilities had been greatly weakened.Editor/Gong Ziwei