ISO/CD 25817-2

Ships and marine technology — Evaluation of fuel consumption and propulsion performance in actual seas — Part 2: Index for life cycle fuel consumption

Current stage: 30.60 Close of voting/ comment period Aug 23, 2026

Originator: ISO

Owner: ISO/TC 8/SC 2 Marine environment protection

Type: International Standard

The proposed deliverable specifies standard methods for calculating lifecycle fuel consumption of a ship.

IN_DEVELOPMENT
ISO/CD 25817-2
30.60 Close of voting/ comment period
Aug 23, 2026