(Portland, OR)  --  Police are releasing the identities of two teenage sisters killed in a car crash in north Portland.  Police say 19-year-old Ana Moreno-Hernandez and her 15-year-old sister Kaylee were killed in the crash last Wednesday on North Greeley Avenue.  KATU-2 reports Ana was driving Kaylee to school when she crossed into oncoming traffic and hit a gray SUV.  An investigation into the crash is ongoing.