Petro Canada formulates natural gas engine oil

Updated May 30, 2013

Petro-Canada’s DuronGas Engine Oil Long Drain (GEO LD) 15W-40 is formulated for the high combustion temperatures in today’s natural gas mobile engines to provide extended drain intervals. The oil is made with the company’s pure base oils and to pump quickly and easily through the engine in colder weather while providing fleets with added shear stability and stay-in-grade capability in high operating temperatures.

The oil also is engineered to resist nitration and oxidative thickening. For more information, go to