Hitachi, Ltd.—Hitachi Zosen subsidiary falsified marine engine emissions data for 25 years
On July 5, 2024, Hitachi Zosen Corporation announced that two subsidiaries had falsified fuel efficiency and emissions data for large marine engines since 1999, affecting 1,364 units including 903 non-Japanese flag vessels. Data was overwritten during shop tests. Japanese authorities launched investigation of all marine engine manufacturers and suspended related certifications.
Scoring Impact
| Topic | Direction | Relevance | Contribution |
|---|---|---|---|
| Corporate Governance | -against | primary | -1.00 |
| Environmental Sustainability | -against | secondary | -0.50 |
| Overall incident score = | -0.664 | ||
Score = avg(topic contributions) × significance (high ×1.5) × confidence (0.59)
Evidence (1 signal)
Hitachi Zosen subsidiary falsified marine engine emissions data for 25 years
On July 5, 2024, Hitachi Zosen Corporation announced that two subsidiaries had falsified fuel efficiency and emissions data for large marine engines since 1999, affecting 1,364 units including 903 non-Japanese flag vessels. Data was overwritten during shop tests. Japanese authorities launched investigation of all marine engine manufacturers and suspended related certifications.