Mumbai, May 30 -- Following a Rs 2 per kilogram hike in Compressed Natural Gas (CNG) prices in Mumbai, cab drivers on Saturday expressed concern over rising operating costs, saying the increase would further affect their earnings as passenger fares remain unchanged.

The CNG prices in Mumbai were hiked by Rs 2 per kilogram, taking the retail price to Rs 86 per kg amid concerns over global energy supplies due to the ongoing conflict in West Asia. The price hike triggered concern among cab drivers.

Speaking to ANI, local cab driver Faiz Khan said the increase in CNG prices was creating difficulties for drivers whose income has not kept pace with rising expenses.

"All I want to say is that this is causing a lot of trouble now. The previous...