As it struggles with declining sales and an uncertain regulatory environment, Volvo is hoping to realign its fortunes by overhauling its electric vehicle plans. And a big part of that is a bet on hybrid technology - or more specifically, extended-range electric vehicles (EREV). At a factory tour in Ridgeville, South Carolina, Volvo made a series of announcements, including an updated EX90 SUV with an Nvidia-supplied computer and the start of production on the gas-powered XC60. But chief among them was the news that the automaker would begin production of an unnamed EREV, developed specifically for the US market.