** Australian energy index .AXEJ falls as much as 0.7%, tracking declines in oil prices

** Sub-index on track for second session of declines

** Woodside Energy WDS.AX down 0.4%, Santos STO.AX falls 0.9%

** Oil prices fell overnight amid reports of OPEC+ sticking to April output hikes and U.S. tariffs on Canada, Mexico, and China, with Beijing responding in kind O/R

** The sub-index has fallen 4.6% this year, as of 0009 GMT, compared to 0.8% drop in benchmark ASX 200 .AXJO

(Reporting by Roshan Thomas in Bengaluru)

((Roshan.Thomas@thomsonreuters.com;))