Australia's energy stocks track oil prices lower

** Australia's energy sub-index falls as much as 1.1%, its lowest level since December 1** Sub-index has fallen 2.1% in the week so far, on track to record its worst week since November 21, if current trend holds** Oil prices fell overnight with investors eyeing Russia-Ukraine peace talks and large surpluses in U.S. gasoline and diesel inventories ** Sector heavyweights Woodside Energy and Santos lose 1.4% and 1.8%, respectively** AXEJ has fallen 0.1% this year, including session moves