The Ministry of Road Transport and Highways (MoRTH) issued a notification on May 22 specifying the emission norms for L7 or quadricycle category under Bharat Stage (BS)-VI. These norms are applicable from the date of notification. This completes the process of BS-VI for all L, M and N category vehicles in the country. The emission norms are in line with the EU and World Motorcycle Test Cycle (WMTC) norms. The procedure for testing is laid down in Automotive Industry Standard (AIS) 137-Part 9.