COLUMBUS, Miss. (WCBI) – Kior may be getting ready to hand a For sale sign on its Columbus plant. In a stock filing Wednesday, the crippled biofuels plant said it has hired a securities consulting firm to look at various options for the plant. Among those is a sale of the site or a merger with another company. Today’s financial statement also provided more details on the loan with the state. Kior has given the state a quarter million dollars not to foreclose on the site before October 31st. Kior still owes over 69 million dollars of the 75 million dollar loan from the state.