All 2024 2023 All Notification Media Coverage 2024.11.25 Notification 【Notification】Diamond & Zebra Develops Prototype of Ignition Coil for Hydrogen-fueled Engine Accomplished 2024.06.03 Notification 【Notification】Diamond & Zebra Achieves World's Largest Output Energy per Volume in Its "Project A: Development of Ammonia Combustion Technology" 2024.03.29 Notification 【Notification】Notice regarding the formulation of the Declaration of Multifaceted Human Rights 2023.11.27 Notification 【Notification】Diamond Electric Holdings Provides V2X OBC to Stellantis for V2G AC Demonstration Experiment in California 2023.11.15 Notification 【Notification】〈Project A Development of Ammonia Combustion Technology〉 Stable Combustion with 100% Ammonia Established in Reciprocating Engines 2023.06.06 Notification 【Notification】Diamond & Zebra Electric Mfg. Develops World's First Ammonia Combustion Technology