Compressed natural gas pressure gauge is seen on a fuel bowser an Indraprastha Gas Ltd. Gas station in New Delhi, India, on Wednesday, May 17, 2017....
An employee holds a compressed natural gas nozzle at an Indraprastha Gas Ltd. Gas station in New Delhi, India, on Wednesday, May 17, 2017....
An employee refuels a vehicle with compressed natural gas at an Indraprastha Gas Ltd. Gas station in New Delhi, India, on Wednesday, May 17, 2017....
Vehicle sits with a fuel nozzle connected to it while being refueled with compressed natural gas at an Indraprastha Gas Ltd. Gas station in New...
An auto rickshaw driver stands waits while his vehicle is refueled with compressed natural gas at an Indraprastha Gas Ltd. Gas station in New Delhi,...
An employee refuels a vehicle with compressed natural gas at an Indraprastha Gas Ltd. Gas station in New Delhi, India, on Wednesday, May 17, 2017....
An employee closes the hood of a car after refueling it with compressed natural gas at an Indraprastha Gas Ltd. Gas station in New Delhi, India, on...
Man stands between vehicles being refueled with compressed natural gas at an Indraprastha Gas Ltd. Gas station in New Delhi, India, on Wednesday, May...
An employee refuels a vehicle with compressed natural gas at an Indraprastha Gas Ltd. Gas station in New Delhi, India, on Wednesday, May 17, 2017....
Employees prepare to refuel vehicles with compressed natural gas at an Indraprastha Gas Ltd. Gas station in New Delhi, India, on Wednesday, May 17,...
An employee refuels an auto rickshaw with compressed natural gas at an Indraprastha Gas Ltd. Gas station in New Delhi, India, on Wednesday, May 17,...
Vehicles wait in line to be refueled with compressed natural gas at an Indraprastha Gas Ltd. Gas station in New Delhi, India, on Wednesday, May 17,...印度
Vehicles wait in line to be refueled with compressed natural gas at an Indraprastha Gas Ltd. Gas station in New Delhi, India, on Wednesday, May 17,...
The driver of an auto rickshaw pulls his vehicle before refueling it with compressed natural gas at an Indraprastha Gas Ltd. Gas station in New...
Vehicles wait in line to be refueled with compressed natural gas at an Indraprastha Gas Ltd. Gas station in New Delhi, India, on Wednesday, May 17,...印度
Indraprastha Gas Ltd. Signage is diaplayed at a gas station in New Delhi, India, on Wednesday, May 17, 2017. Indraprastha, the sole city gas...
Vehicles stand while being refueled with compressed natural gas at an Indraprastha Gas Ltd. Gas station in New Delhi, India, on Wednesday, May 17,...
Vehicles stand while being refueled with compressed natural gas at an Indraprastha Gas Ltd. Gas station in New Delhi, India, on Wednesday, May 17,...
Vehicles stand while being refueled with compressed natural gas at an Indraprastha Gas Ltd. Gas station in New Delhi, India, on Wednesday, May 17,...
Auto rickshaws drive past vehicles being refueled with compressed natural gas at an Indraprastha Gas Ltd. Gas station in New Delhi, India, on...
Pakistani people queue with their vehicles as wait their turn outside a Compressed Natural Gas station in Islamabad, 19 April 2006. Pakistani...
Picture taken on June 28, 2016 shows a gas station of Air Liquide supplying liquefied natural gas, compressed natural gas and liquid nitrogen in...
Picture taken on June 28, 2016 shows a gas station of Air Liquide supplying liquefied natural gas, compressed natural gas and liquid nitrogen in...
An old-fashion, London-born, double-decker bus, in a high-tech, small college town. The old double-decker busses, with a student hanging on, in...
Bangladeshi service station worker looks on as an auto-rickshaw driver waits as his vechile is filled with Compressed Natural Gas at a fuel station...
Pakistani employee of a service station helps drivers to form a queue to fill their vehicles with Compressed Natural Gas in Karachi, 04 July 2005....天然氣
Philippine President Gloria Macapagal Arroyo reacts during a conversation inside a Compressed Natural Gas bus during its test run at the Malacanang...
Philippine President Gloria Macapagal Arroyo reacts during a conversation inside a Compressed Natural Gas bus during its test run at the Malacanang...
Philippine President Gloria Macapagal Arroyo walks after alighting a Compressed Natural Gas bus during its test run at the Malacanang Palace in...
Philippine President Gloria Macapagal Arroyo holds a white cloth after it was placed in the exhaust system of a Compressed Natural Gas bus during its...
Philippine President Gloria Macapagal Arroyo after boarding a Compressed Natural Gas bus during its test run at the Malacanang Palace in Manila, 01...
Philippine President Gloria Macapagal Arroyo after boarding a Compressed Natural Gas bus during its test run at the Malacanang Palace in Manila, 01...
Philippine President Gloria Macapagal Arroyo waves after boarding a Compressed Natural Gas bus during its test run at the Malacanang Palace in...
Picture shows the new Compressed Natural Gas Bharat Stage III Ambassador "Grand", during its launch, in New Delhi 15 June 2005. The CNG Ambassador...
Picture shows the new Compressed Natural Gas Bharat Stage III Ambassador "Grand", during its launch, in New Delhi 15 June 2005. The CNG Ambassador...
An Indian man walks past a Compressed Natural Gas billboard on World Environment Day in New Delhi, 5 June 2005. All public transport was converted to...
Commuters hang from an overcrowded bus in New Delhi 01 April as most of the buses stayed off the road in line with India's Supreme Court's 1998...
Compressed Natural Gas auto-rickshaws wait at a traffic intersection as an electric advertisment board reads "I will make pollution free Delhi", in...印度
An Indian bus passenger stands at the rear exit of a Compressed Natural Gas bus as a sari-clad woman crosses a busy intersection in New Delhi, 29...