Q.7) What do you understand by PETCOKE? What are its harmful effects? Recent reports indicate that India is the biggest importer of PETCOKE generated in USA. Discuss the reason behind this unusual trend.

Source: https://www.civilsdaily.com/sc-eases-petcoke-ban-for-2-sectors/

https://www.civilsdaily.com/india-is-biggest-importer-of-u-s-oil-refinery-by-product-petcoke/