This report examines new problems that have croppped up as a result of the unprecedented expansion in the scale of the CNG programme in Delhi. It pays special attention to inspection and safety norms, and includes various compliance procedures, institutional changes and training requirements to mitigate current and future safety problems. This report evaluates how Delhi, which has the world's largest CNG city bus fleet with 7,100 buses, is meeting the challenge of large-scale deployment of a new technology.

The first in the series of independent technical assessments by three CNG experts, this report provides a clear roadmap to help the government design appropriate policies, chart new action plans and re-orient strategies to implement the CNG programme in India's capital. Its release coincided with the introduction of CNG buses in the capital amidst the furore raised about their safety and performance.