Standards Development

Scope

This technical report will cover the results of the study on the feasibility to design reference fuels for cold flow operability and provides recommendation on the characteristics of such reference fuels.

Purpose

The technical report CEN/TR 16884:2015 concluded that “….Test results and field experience show that vehicle design has an essential role in cold operability, besides fuel properties. DGMK projects, Neste Oil studies and the field issues reported in this report have highlighted that large differences in operability can exist between vehicles running on the same fuel. To support the design of vehicles with sufficient performance in cold weather conditions, an option would be to develop a reference fuel for cold operability calibration of vehicles. This approach would allow all vehicles to be designed to meet a more consistent level of cold operability performance. A first step could be a study into the feasibility of designing such a reference fuel in terms of blending consistency, quality and cold flow properties. The parameters of a reference fuel would need to be clearly defined to limit the amount of variability in fuel properties. Cold flow additives need to be carefully selected to match the fuel characteristics. The proper handling of cold flow additives and their optimum blending into the fuel are essential factors to ensure product quality is maintained throughout the supply chain, from the manufacturing site to the end user‟s appliances.

” One of the scopes of CEN TC19/WG34 is:

• Perform a study into the feasibility of developing a reference fuel to be used during the vehicle design stage to ensure sufficient cold operability performance. ( follows the recommendation contained in TR 16884-2015)

The group completed the study and proposes to write a technical report detailing the results of such study