Pig manure has a high-oil content, and can be blended with rock to create a cheap, renewable alternative to asphalt.
crude oil
The post Paving roads with pig manure!?! appeared first on crude-oil.top.
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Pig manure has a high-oil content, and can be blended with rock to create a cheap, renewable alternative to asphalt.
crude oil
The post Paving roads with pig manure!?! appeared first on crude-oil.top.