The press release section is where you can find the most up-to-date information about the EOLCS Program.
这条六页综合指南旨在帮助消费者了解API发动机油质标志 - API认证标志“Starburst”API认证标志“盾牌”和API服务符号“甜甜圈” - 以及API服务类别。可下载的电机油导板卡片以PDF格式提供。
API 1509描述了自愿API发动机油许可证和认证系统（EOLCS），并解释为营销人员如何为消费者许可和展示不同的API标记。现有版本的API 1509现已提供，可以以PDF格式下载。
API 1525A - Addendum 1provides procedures for managing bulk engine oil chain of custody to ensure oil quality from the point of manufacture to installation in the end user’s engine.
Publication 1520 assists consumers in selecting quality engine oils by identifying the companies licensed to display the API Engine Oil Quality Marks. This Licensee Directory is updated as often as several times a week and can only be accessed on-line.
出版物1560.describes API gear lubricant service designations and assists manufacturers and users of automotive equipment in the selection of transmission and axle lubricants for a variety of operating conditions.
This document provides an array of step-by-step instructions and screenshots to assist the user with the online application system and license maintenance.
This study appraises used oil generation in California, in 2010. However, its key lessons and findings are relevant to other time periods, states and countries.