In a step towards promoting alternative clean fuel for transportation, the Union road transport, and highways ministry has notified hydrogen-enriched compressed natural gas (CNG) as an automobile fuel. An ideal blend of 18% hydrogen in CNG can be used as automotive fuel after compression. Hence, statement A is correct . In comparison to CNG, H-CNG allows for a 70% reduction in carbon monoxide emissions and a 25% reduction in hydrocarbon emissions . Hence, statement B is correct . The new H-CNG technology requires only minor tweaks in the current design of the engine. Hence, statement C is not correct .