Iran's deputy oil minister has said that the country will soon start importing diesel oil, although current supplies are sufficient, Mehr news agency has reported. The country plans to import three to four million litres of diesel oil to increase the fuel reserves in its power plants, he said: "Currently, there is no problem in supplying the diesel oil needed in the country from domestic refineries." "We need $46bn to finish our refinery projects," the Mehr News Agency quoted Alireza Zeighami as saying on Sunday. He pointed out that when the projects are completed Iran will be able to refine 3.3 million barrels of oil daily. "We are now building 5 billion litres new capacity to store liquid fuel in the country," he added.