American Petroleum Institute: What It is, How it Works

API New Economic Studies on Offshore Energy Development

The American Petroleum Institute Loves Pennsylvania, As Its Lobbying Shows – Eyes on the Ties

API API Careers Overview

American Petroleum Institute (API) - Spec Q2 Basic Understanding

This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it., This work is

American Petroleum Institute Quarterly Centennial Issue (Paperback)

Motor Oil Grades and Classifications Explained

Time is Running Out,' American Petroleum Institute Chief Said in 1965 Speech on Climate Change - DeSmog

Selected Values of Properties of Hydrocarbons. Frederick D. Rossini, et al. (Circular of the National Bureau of Standards C461; prepared as part of the work of the American Petroleum Institute Research Project

American Petroleum Institute – Climate Investigations Center

API About API

New Study Reveals Billions of Dollars in Political Spending by US Trade Associations, Most of It on PR - DeSmog

How an Early Oil Industry Study Became Key in Climate Lawsuits - Yale E360

American Petroleum Institute: What It is, How it Works