CEN/TR 18238:2025

Automotive fuels - E20 petrol - Background on the parameters required, their respective limits and justification

ACTIVE

About this standard

Languages
English and French
Type
NBN
Standards committee
CEN/TC 19 (Gaseous and liquid fuels, lubricants and related products of petroleum, synthetic and biological origin)
Status
ACTIVE
Publication date
25 December 2025
ICS Code
75.160.20 (Liquid fuels)
Withdrawn Date
Price
€ 184,00

Summary

This document gives the technical rationale for the requirements and parameters for petrol as defined in CEN/ TS 18227, with a minimum oxygen content of 3,7 % (m/ m) and a maximum of 8,0 % (m/ m). This fuel has maximum 20,0 % (V/ V) ethanol and/ or of 22 % (V/ V) fuel ethers with 5 or more carbons.
NOTE 1 This document is directly related to CEN/ TS 18227 and will be updated once further publications take place.
NOTE 2 For the purpose of this document, the terms “% (m/ m)” and “% (V/ V)” are used to represent respectively the mass fraction and the volume fraction.