<p>It's been a tough couple of years for Vladimir Miroshnikov, head of business development at Rolf, one of Russia's biggest car dealerships. But like many foreign investors, he's banking on an economic turnaround in 2017.</p>
<p>Russian car sales, once growing around 50 percent a year, dropped off a cliff in 2015 after the rouble's 2014 collapse and fell a further 10 percent in 2016.</p>