Choose a Lube to Work Like a Well-Oiled Machine

摘要

Clean diesels are forcing changes in engine oils. Here's how to be sure today's products don't sacrifice older engines' life. Changing emissions regulations means there's no guarantee that the oil you've been using is maximizing engine life. How do emissions regulations affect oil choices? They force changes in engine design, which typically demand better oil performance. Lubricant marketers change oil formulations to meet the engine performance demands.