and UN Regulation No. 110. The use of LPG as fuel shall be permitted only if the specific components for LPG are approved according to UN Regulation No. 67 and meet the provisions of paragraph 5.1.1. The installation on the vehicle shall meet the technical requirements of paragraph 5.1.1.
and UN Regulation No. 67. In the case of EX/II, and EX/III vehicles, the engine shall be of compression-ignition construction using only liquid fuels with a flashpoint above 55 °C. Gases shall not be used."