 One of the biggest day-one pops for a SPAC merger announcement in weeks happened Thursday with news that a renewable gas RNG platform is being created. The SPAC Deal: The company being formed through a SPAC merger will combine Rice Acquisition Corp NYSE: RICE with Aria Energy Operating, a portfolio company of Ares Management Corp NYSE: ARES and Archea Energy LLC, currently majority-owned by Rice Investment Group, which is an affiliate of the SPAC sponsor. 