CarMax CEO Tom Folliard (right) and general manager Richard Buscher at a store in Chattanooga
That may sound more like a teenage prank or petty crime than C-suite strategy, but Folliard decided to adopt the employee's suggestion. CarMax now sucks tens of thousands of gallons of gas from the wholesale cars it buys each year and transfers it to the tanks destined for its retail vehicles. The move has saved the company more than half a million dollars.