** Shares of Provaris Energy rise as much as 9.5% to A$0.023, their highest levels since Sept 12
** Co reports preliminary success in meeting Europe's emissions standards for shipping hydrogen using their proprietary H2Neo carrier
** Co set to log three straight days of gains, if trend holds
** Provaris stock down ~55% YTD, including current session
(Reporting by Kumar Tanishk in Bengaluru)
((Tanishk.Kumar@thomsonreuters.com;))