Test Methods & Publications

Standard test methods

Used world-wide for quality control. CEC Test Methods are used extensively by the automotive and petroleum industries in Europe and throughout the world.

By using CEC test methods to the approved quality standards, OEM's and suppliers avoid the requirement for expensive and time-consuming individual tests.

CEC develops timely, quality focussed and cost-effective test methods in response to Industry needs.

These tests evaluate automotive engine oil, fuels and transmission fluids, using gasoline and diesel engines. CEC test methods also cover marine & large engine oils, two-stroke engine Oils, associated bench tests, plus industrial and hydraulic Fluids.

Codes of Practice

CEC test procedures that do not apply to a specific engine type. These procedures can be applied to various test apparatus under different situations.

General publications

Include resources for companies wishing to deploy CEC test methods, including Reference Fuel and Oil manuals. Also the ISO17025 Interpretation Document for CEC Engine Test Methods defines specific requirements for laboratories.


The results of surveys and analyses carried out by CEC working groups on specific topics.


CEC Test Methods, Codes of Practice and all its other publications do not purport to address all of the safety concerns, if any, associated with their use. It is the responsibility of the user to establish appropriate safety and health practices and to determine the applicability of regulatory limitations prior to use.

CEC Member Organisations