Ford has officially opened a $US150 million Focus assembly in northwestern Russia and is optimistic about its future in the local market, Reuters reported. The plant, located in the Leningrad region, will assemble 25,000 cars per year with annual capacity of 100,000, Reuters said, adding that prices will range between $US10,900 and $18,300 for the sedan with the hatchback costing $10,900-$15,000.