Shahverdi, M.; Moghaddas-Tafreshi, S.M.; Mazzola, Michael S. - In: Renewable Energy 71 (2014) C, pp. 679-689
Iran had been dedicating a substantial amount of its budget, known as subsidy, to keep the price of natural gas and …, but this process is to take five years. Iran ceased to fully-subsidize from 2011, and gradually continues this process …