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Old 11-25-2015, 04:43 AM   #28 (permalink)
It's all about Diesel
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Originally Posted by Hal View Post
Given the air quality in the average third world country, maybe it would be better to push toward NOT burning the oil and find some incentives to reuse or recycle it.
It depends on other factors, such as the oil specifications and the proportion it's blended with the gasoline (or the ethanol). We must also consider that at least one renewable source of lube oil for 2-stroke engines is already known and relatively widespread (Castor oil) while for 4-stroke engines a similar development is going slow. A direct-injection 2-stroke running on ethanol (or CNG) using Castor oil is likely to have a lower overall footprint compared to a 4-stroke using regular petroleum-based lube oils.
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