When the Department of Energy announced a $200 million grant to battery maker Microvast Holdings for a plant in northern Tennessee last October, it seemed like a win-win. The funds would enable the Texas-based company to quickly ramp up production of its cutting edge technology, and bolster the U.S.’s battery supply chain — a key goal of the Biden administration’s $1 trillion infrastructure spending package.  In the following months, however, Microvast found itself embroiled in a p