ISO/PRF 8178-5

Reciprocating internal combustion engines — Exhaust emission measurement — Part 5: Test fuels

General information

Current stage: 50.00 Final text received or FDIS registered for formal approval Aug 7, 2026

Originator: ISO

Owner: ISO/TC 70/SC 8 Exhaust gas emission measurement

Type: International Standard

ICS: 13.040.50 Transport exhaust emissions | 27.020 Internal combustion engines

Scope

This document specifies fuels whose use is recommended for performing the exhaust emission test cycles given in ISO 8178-4.
It is applicable to reciprocating internal combustion engines for mobile, transportable and stationary installations excluding engines for vehicles primarily designed for road use. This document is applicable to engines used, e.g. earth-moving machines and generating sets, and for other applications.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 8178-5:2021

NOW

IN_DEVELOPMENT
ISO/PRF 8178-5
50.00 Final text received or FDIS registered for formal approval
Aug 7, 2026