Most new cars call for synthetic oil, although some still use conventional oil or synthetic blends that combine the two basic oil types. (Older cars are more likely to call for conventional oil ...

synthetic blends, and full-synthetic oils, such as its Ultra Platinum, High Mileage, and Platinum Euro lines. Havoline is a motor oil company with a history of experimentation and innovation.

Synthetic oil, a composite blend of base oils and complex artificial additives, was first produced in the late 1880s. Used extensively during World War II to protect jet aircraft engines ...

I’ve been using synthetic motor oil. Now, along comes something called a “synthetic blend.” Nobody can tell me the ratio of synthetic oil to regular oil in a synthetic blend. Can you?