If you've ever bought a quart of motor oil for your vehicle, you've likely encountered the letters API somewhere on the label. In fairness, there are a lot of abbreviations, symbols and odd number ...

Transparent background logos will be available in the near future. The company logo API has coverage of all stocks trading on major US exchanges, major OTC listing and major fund families.

WASHINGTON, D.C.– The American Petroleum Institute (API) is introducing a new special Service Symbol Donut to help consumers identify the recently approved API FA-4 diesel engine oil. API approved two ...