Ag-based lubricant specialist takes on the vegetable-based engine oil challenge. For researchers and product developers, creating biobased engine oil has been akin to the search for the Holy Grail. For the past 20 years a number of entities have been experimenting with biobased engine oil. Large groups abandoned the search after numerous trials and being faced with ever-changing specifications related to emissionscontrol, while a small group drove a truck using biobased engine oil, licking the dipstick at various stops to make a point for the product's "environmental friendliness." In Europe, others experimented with the Continuous Oil Recycling System (CORS) concept in diesel automobiles.
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