<https://auto.economictimes.indiatimes.com/news/commercial-vehicle/mhcv/currency-ban-delhi-government-to-seek-green-tax-exemption-for-trucks/55489854>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://auto.economictimes.indiatimes.com/tag/green+tax>