Everyone thinks their job is tough, but the chemists formulating modern motor oil really earn their paychecks. As the EPA continues tightening up on emissions standards, it has forced motor oil ...

Under normal circumstances, most modern engine oil and gasoline brands work fine on their own to keep your engine running smoothly. But there may be cases where even the best of them could use a ...

It doesn't matter if you have a hybrid or conventional gas-powered car, a good motor oil can make the difference between a long-lasting engine and a sputtery ride. Here's what you should look for when ...