What does it cover?
UN R115 regulates specific retrofit systems enabling vehicles to use LPG or CNG. It defines the system manufacturer, approved vehicle family and characteristics to be maintained. National procedures verifying correct installation on the vehicle are separate from this system approval.
Who is it for?
For vehicle and retrofit system manufacturers, converters and technical teams preparing modification files.
Which subjects are addressed?
- LPG and CNG retrofit systems
- Approved vehicle family
- System approval and national installation procedures
Common question
Does R115 approval replace the installation inspection?
No. The text leaves procedures and inspections verifying correct installation to the country where the vehicle is registered. System approval is a different matter.
Published RegsUP edition
This page is tied to the published RegsUP working edition below; it is not an official consolidated text.
RegsUP record title: R115 — UN Regulation No. 115
Working series: 00 · Included supplement: 10
RegsUP edition publication date:
This is the RegsUP publication decision date, not the date the regulation entered into force.