本powerpoint演示文稿首先介绍了针对商业企业的油脂管理计划。介绍了油和油脂的回收利用，以及将废油转化为生物柴油的生物柴油厂，生物柴油的益处和用途，投资回报，以及作为柴油生产副产品的甘油皂。

This powerpoint presentation begins by presenting a grease management plan that targets commercial businesses. Oil and grease recycling is presented, along with a biodiesel plant that converts used oil into biodiesel fuel, benefits and uses of biodiesel, return on investment, and glycerin soap as a byproduct of making diesel.