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How far did the bitumen and gravel travel on fossil fuel-spewing trucks?
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Making liquid fuels from bitumen requires energy for steam injection and refining.
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With MacRebur's groundbreaking technology, bitumen can be extended with recycled plastic materials.
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Clay and the other fine particles are separated from the bitumen-coated beads.
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The Packhorse creaked under the weight of timber and drums of bitumen.
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Thus petroleum may separate from the gas as asphaltum separates from petroleum.
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Cobblestones were left behind; the large wheels skimmed the fair asphaltum.
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The grade of the oil was 22 Baume gravity with an asphaltum base.
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For some distance round the column is laid the asphaltum pavement.
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The addition of natural asphaltum doubtless caused the name of "asphaltum roofing paper."
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The Company also manufactures other petroleum products, including petroleumbitumen and other residues of petroleum oils or of oils obtained from bituminous minerals.