Bills from prior to 2010 are documented here, alphabetically by state.
Arkansas
1997, HB 1729, abolishing DST.
1997, HB 1785, establishing Year-Round DST. Failed.
1999, SB 293, establishing Year-Round DST. Failed.
California
In September 2000, AJR 56, requesting Congress to permit Year-Round DST.
In January 2001, SJR 1, requesting Congress to “permit greater flexibility” regarding DST.
In June 2001, SJR 1, requesting Congress to permit Year-Round DST.
Georgia
In 2008, SR 1113, created a committee to study DST.
In 2011, SR 322, simply attempts to “recognize the rich history and tradition behind the United States’s observation of Daylight Saving Time”.
Idaho
In 2001, HB 384, proposing to exempt that part of the state that is in the Mountain Time Zone from DST. Failed.
In 2012, HB 693, proposing to exempt the entire state from DST. Failed.
In 2014, HB 559, proposing to exempt the entire state from DST. Failed.
Iowa
1999, HCR 9, a resolution requesting Congress to permit Year-Round DST.