To eliminate the 2016 sunset on a 7/8ths cent-per-gallon gas tax that was originally supposed to expire in 1998 and be used to clean up leaking underground fuel tanks, but which has been extended several times and was diverted to other government spending by a 2004 "fund raid." However, the bill would earmark $20 million of the annual revenue of around $50 million from this tax to underground tank cleanups (as originally intended), and add some limits on using money from this tax to support unrelated activities.