MOSCOW - The Basic Element company has acquired a 37.5 percent stake in RusPromAvto from the company Millhouse Capital, owned by Roman Abramovich, Russia’s second richest man, a source in RusPromAvto told RBC. The value of the deal has not been revealed. Basic Element’s press service refused to comment. RusPromAvto is one of Russia’s largest automobile groups. It comprises about 20 companies producing cars, trucks, buses and road construction equipment. When the holding company was set up, Basic Element and Millhouse each received 37.5 percent in it, and 25 percent was given to the management of RusPromAvto. Thus, Basic Element,...