Investigations relating to fire hazards and safety in CNG buses and supplementary report on converted CNG buses

In response to the reports on fire incidents in CNG buses in Delhi, EPCA had constituted an expert committee on May 2, 2006 to investigate the problem. This report has analysed the root cause of bus fire incidents, identified the manufacturing deficiencies and defects pertaining to the engine and sub-system design/ electric installations and electric wiring/gas piping and joints etc. Additionally, it also assesses the conversion deficiencies, issues related to spare parts, role of maintenance. The report recommends the remedial measures for the in-use CNG bus fleet, and examines the proficiency of DTC testing centers after discussing the issues with concerned agencies, OEMs and conversion agencies.