After Delhi, it's time for Uttar Pradesh to shift to Compressed Natural Gas (CNG). Four cities, Lucknow, Kanpur, Bareilly including Agra, will shift to the CNG-fuelled public transport system in the first phase. Being close to Delhi and constantly in the world's eyes due to the pollution threat to the Taj Mahal. Agra will be among the first to shift to the environment-friendly fuel.