The 78 metro to be integrated into Kochi 's Water rail network in India will operate primarily on solar power , only relying on fossil fuel engines in the case of an emergency . according to the metro agency . Subject to the government 's assurance on compressed natural gas ( CNG ) infrastructure by the end of 2017 , Kochi Metro rail Limited also plans to install electric and CNG units in its network to work as feeder services to the 78 metro .
The 78 boats to be introduced into Kochi's Water Metro network in India will operate primarily on solar power, only relying on fossil fuel engines in the case of an emergency. according to the metro agency. Subject to the government's assurance on compressed natural gas (CNG) infrastructure by the end of 2017, Kochi Metro Rail Limited also plans to introduce electric and CNG vehicles in its network to work as feeder services to the water metro.