As Americans keep their cars for longer, Kentucky-based Valvoline says one of its synthetic oil products can turn back time ...

Add Yahoo as a preferred source to see more of our stories on Google. As engine standards change, the oil that protects them has to change too — especially for drivers buying new trucks in the next ...

Turbocharged engines can be great at boosting performance and efficiency, but in life, as in economics, there's no such thing as a free lunch. In other words, benefits like those come with a cost, ...