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Hirth Engines and ePropelled announced a collaboration to develop hybrid propulsion solutions for UAV, aerospace, defense, and specialized mobility markets. The partnership combines Hirth's expertise in two-stroke engines with ePropelled's electric propulsion technology to create systems that improve performance and operational flexibility.

Key applications include UAVs, advanced air mobility platforms, and lightweight hybrid ground vehicles. Research and development have begun, with prototypes expected in 2026.