Economic Times | McDonald's to power its trucks by recycling used cooking oil Economic Times Explaining the process, Ogale said the oil used for frying French fries and other foods is collected from the restaurants and taken to the converting facility in tankers, converted into biodiesel and returned for use in the supply logistics of the ... Now, McDonald's converts used cooking oil into biodiesel for refrigerated delivery trucks McDonalds To Recycle Used Cooking Oil To Power Delivery Trucks |