A Kremmling man died yesterday in a single vehicle rollover crash on Highway 40. The victim, 31 year old Blake Mascia was killed when the Jeep CJ he was driving went off the road, collided with a tree and rolled down a steep embankment. The accident occurred about 8 miles east of Kremmling. Mascia was pronounced dead at the scene. Icy road conditions are suspected to have been a factor in the crash. Mascia was not wearing a seatbelt at the time.