 TYSONS, Va., April 22, 2021 GLOBE NEWSWIRE -- Park Hotels Resorts Inc. NYSE: PK Park today announced that four of its hotels: Hilton Seattle Airport and Conference Center, Hilton Santa Barbara Beachfront Resort, DoubleTree Ontario Airport and Le Meridien San Francisco have earned the U.S. Environmental Protection Agencys EPA 2020 ENERGY STAR certification for superior energy performance. Only 26 hotels nationwide earned the prestigious ENERGY STAR certification in 2020. 