School buses in Kentucky may soon sport advertising signs on their side exteriors.The Kentucky House, with little debate, voted 61-35 to allow ads that don’t mention politics, cigarettes or alcohol. Lebanon Representative Terry Mills—the bill’s primary sponsor—says the ads could not appear on the inside, front or rear of school buses.“Obviously, the revenue from advertising would not solve all of the funding problems in education, but in times such as these, all revenue helps," he says.Mills says several states already allow school bus ads, and Ohio, New Jersey and Utah are considering similar legislation. He says such ads have already raised one million dollars this academic year for the Dallas, Texas, school system. The bill now moves to the Senate.