Oil giant BP is investigating the Supercharger facilities and staff that are in limbo after Tesla’s mass cuts. Tesla, the electric vehicle manufacturer, founded by billionaire Elon Musk, recently made the decision to axe a substantial amount of the company headcount in a cost-cutting exercise, a move that has significant implications for the industry. One of those implications is the circling of other companies around Tesla’s Supercharger facilities. These stations had been a key win for Tesla as they agreed to let competitors who manufacture electric vehicles use these locations in a landmark…