A state senator in TN is working to get rid of length restrictions and the ban on autos.
http://wapp.capitol.tn.gov/apps/BillInfo/Default.aspx?BillNumber= SB1015&GA=108
House version
http://wapp.capitol.tn.gov/apps/BillInfo/Default.aspx?BillNumber= HB0581&GA=108
http://wapp.capitol.tn.gov/apps/BillInfo/Default.aspx?BillNumber= SB1015&GA=108
House version
http://wapp.capitol.tn.gov/apps/BillInfo/Default.aspx?BillNumber= HB0581&GA=108