While cement and lime industries use pet coke, thermal power plants use furnace oil.
The apex court also directed the Ministry of Environment and Forest (MoEF) to come out with regulations for the sale of pet coke and fix emission standards for thermal power plants.
A bench of Justices M B Lokur and Deepak Gupta said that the notification might be modified after the regulations were finalised and put in place.
The use of pet coke and furnace oil is already prohibited in Delhi.
The top court had on October 24 banned use of pet coke and furnace oil in these three states from November 1 in view of the pollution levels in Delhi-national capital region (NCR) and noted that these states had no objection to it.
During the hearing today, the bench dealt with several issues related to ban on the use of pet coke and furnace oil.
Additional Solicitor General A N S Nadkarni, appearing for MoEF, told the court that the system of regulation on sale of pet coke would be brought into force within four weeks.
On the use of pet coke in lime industries, the bench asked the government to come out with emission standards.
Regarding the use of furnace oil in thermal power plants, the amicus told the bench that Ministry of Power has requested allowing the use of furnace oil for a period of one year till the thermal power plants switch over to alternate fuel.
The apex court said the other issues, including emission standards for thermal power plants, would be considered on the next date of hearing in January.
Meanwhile, the MoEF has said in its affidavit filed in the court that they were considering the issue of ban on import of pet coke.
"We expect the MoEF to take a final decision in this regard," the bench said, adding that the ministry might consult apex court-appointed Environment Pollution Control Authority (EPCA) and other stakeholders in this.
The court asked the MoEF to look into these aspects so that standards were made applicable to the entire country.
The court was hearing a PIL filed in 1985 by environmentalist M C Mehta who had raised the issue of air pollution in the Delhi-NCR.
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