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. | |
Licence : | Droits gérés |
Crédit : | Science Photo Library / Cooper, Ashley |
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Durée : | 12 Secondes |
Aspect ratio : | 16/9 |
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