He has sponsored many pieces of significant legislation, including the phosphate detergent ban; the Waste Management Act of 1989, which established an aggressive policy on reducing solid waste in North Carolina; the .08 DWI bill, lowering the permissible level of blood alcohol content for drivers; the Taxpayer Bill of Rights, giving additional protections to taxpayers dealing with the N.C. Department of Revenue; domestic relations reform measures, including bills to streamline procedures for equitable distribution, alimony and divorce; in 1995, a new rewrite of alimony laws and DWI laws; in 1997, Governor's DWI reform bill, including vehicle seizure and forfeiture provisions, and three equitable distribution reform bills; in 1999, clean air, clean water, and sedimentation bills, HMO liability, and DWI improvements.