All of Delhi's buses run on Compressed Natural Gas (CNG), it is the worlds largest eco friendly bus fleet, and has helped to improve Delhi's air quali

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All of Delhi's buses run on Compressed Natural Gas (CNG), it is the worlds largest eco friendly bus fleet, and has helped to improve Delhi's air quality, after they replace diesel buses, India.

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Photo credit: © CI2 / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: air, asia, bus, clean, cng, compressed, corporation, delhi, eco, emissions, engine, engineer, environment, exhaust, fleet, garage, gas, green, india, infrastructure, largest, male, man, mechanic, natural, public, quality, transport, worlds