By Paul Dvorak | September 27, 2016ExxonMobil intros advanced wind-turbine grease for cold weather ExxonMobil is introducing Mobil SHC Grease 102 WT, a synthetic wind turbine grease that can protect pitch, yaw, and generator bearings from extreme temperature conditions as high as 248ºF (120C) down to -58ºF ( -50C). Windpower Engineering & Development