Lubricants used in “on-highway” and “off-highway” heavy-duty vehicle applications are classified as Heavy Duty Engine Oils 
Automotive lubricants used in car and light-duty truck engines and are designed for vehicles that operate using gasoline, diesel and alternative fuels
The performance of lubricants for marine engines is not defined by a standard classification system
Engine oils do more than lubricate critical engine components
Outboard engines, personal watercraft, ATVs, snowmobiles, and other recreational engines are often subjected to very harsh and wet conditions
Additive technologies can significantly extend the life of everyday power tools
Engines running on natural gas at high loads put unique demands on engine oils