Hydrogen Fuel Cells Power First On-Site Excavator PoC in Japan’s Construction Sector
The article accurately describes a recent on-site proof-of-concept (PoC) test conducted in December 2025 by Obayashi Corporation, Iwatani Corporation, and Komatsu Ltd. in Japan. The test involved a medium-sized hydraulic excavator powered by a hydrogen fuel cell system, demonstrating performance comparable to diesel models while emitting only water vapor and reducing noise and vibration. The information aligns with official reports from Komatsu Ltd. ([komatsu.jp](https://www.komatsu.jp/en/newsroom/2026/20260216_1?utm_source=openai)) Therefore, the article is trustworthy and provides current information.
Subscribe to keep reading.
This article was checked against 4 factual claims. Subscribers see every claim, its verified status, our notes, and the sources we matched against.
Sign up now for free