Steel plants use lots of petroleum-derived raw materials and are already counting big savings from this year’s rapid fall in oil prices. Getty Images Anyone who drives a car or truck that isn’t a plug-in electric benefits from cheaper oil every time they pull up to the gas pump. But for manufacturers, the benefits are far more unevenly distributed. Consider tiremakers and steel plants . Both use lots of petroleum-derived raw materials and are already counting big savings from this year’s rapid fall in oil prices. U.S. oil prices continued to swoon on Thursday, nearing $60 a barrel for the first time in five years. The slide is driven by a glut of supply that’s expected to endure well into next year. Cheaper oil is usually good for the economy —and for domestic manufacturers. But not everyone gets the same boost and some are outright burned when […]