Regulatory case

Ministry of Land, Infrastructure, Transport and Tourism and Hino Motors, Ltd.

Authority: Ministry of Land, Infrastructure, Transport and Tourism of Japan
Case number: Not published
Filed or opened: March 2022
Organization: Hino Motors, Ltd.
Current stage: Certification of affected engines revoked in March 2022, as reported^S3. Corrective order issued and revocation steps for more engine types begun on 9 September 2022^S6.
Outcome: Certification revoked and corrective order issued^S3^S6. Later ministry steps were not checked against an official record.

Decisions and steps

March 2022Certification of the affected engines revoked^S3
9 September 2022Corrective order to reform Hino's systems, and procedures begun to revoke type designations of engines that failed emissions standards^S6

S3Tier C Toyota unit falsified emissions data from at least 2003, probe findsReuters, republished by Cyprus Mail. Press report. 2 August 2022.Reuters report on the committee findings, Hino's earlier disclosure and the ministry revocation. No individual byline is shown and the committee report was not read.Link working, checked 25 October 2026
S6Tier A 日野自動車に対する対応についてMinistry of Land, Infrastructure, Transport and Tourism of Japan. Regulator press release. 9 September 2022.Ministry release on the corrective order and the start of revocation procedures for engines that failed emissions standards. The order text sits in linked appendices that were not read.Link working, checked 25 October 2026