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Global Technical Regulation No. 4

Name: Global Technical Regulation No. 4
Description: Emissions from Compression-ignition Engines and Positive-ignition Engines Fuelled with LPG or CNG.
Official Title: Test Procedure for Compression-ignition (CI) Engines and Positive-ignition (PI) Engines Fuelled with Natural Gas (NG) or Liquefied Petroleum Gas (LPG) with Regard to the Emission of Pollutants.
Country: ECE - United Nations
Date of Issue: 2006-11-15
Amendmend Level: Amendment 4 of September 16, 2021
Number of Pages: 304
Vehicle Types: Bus, Component, Heavy Truck
Subject Categories:
document image thumb Global Technical Regulation No. 4
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