This document defines the labels and related colours for indication of the fuel and/or energy used for propulsion of a road vehicle, especially for the case of new vehicle technology and/or power sources, including hybrid drive lines.
The communication of propulsion energy and related hazards is made in a logical and modular way to facilitate the understanding.
This document is applicable to passenger cars, buses, coaches, light and heavy commercial vehicles according to ISO 3833.
This document does not cover fuels being part of truck cargo.
The usage of the label includes, but is not limited to, the rescue sheet (ISO 17840-1 and ISO 17840-2[1]) and the emergency response guide (ISO 17840-3[2]).

[1]Under preparation. Stage at time of publication: ISO/DIS 17840-2.
[2]Under preparation. Stage at time of publication: ISO/DIS 17840-3.