LEXINGTON, Ky.–(BUSINESS WIRE)–Valvoline Inc. (NYSE: VVV), the quick, easy, trusted leader in preventive automotive maintenance, today announced that its board of directors authorized the Company to repurchase an additional $175 million of its common stock, bringing the total remaining authorization to $500 million. “This expanded authorization reflects our confidence in the long-term trajectory of our business and our ability to grow free cash flow,” said Lori Flees, President and CEO of Val