SRPS CEN/TR 18238:2026

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

Scope

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.

Related directives

NOTE: If the word "harmonized" (marked in green) is not found in the field with the name of the directive, it means that the European standard is not cited in the OJEU.