Gunvor International, the closely held energy trader, agreed to acquire a Siberian coal deposit from Mikhail Prokhorov in a bid to curb its reliance on oil, according to two people with knowledge of the sale. Gunvor affiliates will buy 51 percent of Kolmar, which owns the deposit, from Prokhorov’s InterGeo mining company, said the people, who declined to be identified before an agreement is announced. The deal may be valued at about […]