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ORNL team develops carbon-nanotube-based superlubricity coating

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In comparison, when dry metals slide past each other, the coefficient of friction is around 0.5. With an oil lubricant, the coefficient of friction falls to about 0.1. Those graphene pieces are smeared and connected to the contact area, becoming what we call tribofilm, a coating formed during the process.

Carbon 417
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New study finds GHG emissions from palm oil production significantly underestimated; palm oil biofuels could be more climate-damaging than oil sands fuels

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The majority (62%) of the plantations were located on the island of Sumatra, and more than two-thirds (69%) of all industrial plantations were developed for oil palm cultivation, with the remainder mostly being Acacia plantations for paper pulp production. Earlier post.). —Dr.

Oil-Sands 314
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New Review Concludes Very Low EROI of Oil Shale Combined with High Carbon Intensity Likely Makes it an Unsuitable Alternative to Conventional Crude Oil

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A comparison of estimates of the energy return on investment (EROI) at the wellhead for conventional crude oil, or for crude product prior to refining for oil shale. Oil shale” is shale containing kerogen, a combination of chemical compounds that can be converted into synthetic petroleum. Source: Cleveland and O’Connor.

Oil 199
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BSEE authorizes Shell to begin preparatory top-hole activities for drilling in Chukchi Sea; activities limited to non-oil-bearing zones

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Watson announced that Shell will be allowed to move forward with certain limited preparatory activities on the seafloor for drilling in the Chukchi Sea offshore Alaska; these activities are limited to non-oil-bearing zones of the seabed. comparisons with the geology of the currently producing. North Slope fields.

Oil 218
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Toyota to pioneer use of biosynthetic rubber in engine and drive system hoses

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Since plants absorb CO 2 from the atmosphere during their lifespan, such bio-materials achieve an estimated 20% reduction in material lifecycle carbon emissions in comparison to conventional petroleum-based hydrin rubber. They have connected pressure sensors that detect negative pressure in intake manifolds. Click to enlarge.

Toyota 150
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A closer look at the basics of Volkswagen Group’s important new 2.0L diesel MDB engine

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extension of the oil return and blow-by channels to the parting plane of the oil pan. The dual oil and vacuum pump unit. Oil and vacuum pump. The oil/vacuum pump is designed as a dual pump, driven directly from the crankshaft by a toothed belt in oil. Additional supply of oil to the cylinder head.

Diesel 384
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NAS: concerns remain about rail transport for energy liquids, gases; pipeline, maritime have more comprehensive safety system in place

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The country’s increased production of crude oil, natural gas, and corn-based ethanol created unforeseen demands and safety challenges on their long-distance transportation via pipelines, tank barges, and railroad tank cars. Prior to 2005, railroads had little experience carrying ethanol and crude oil in large quantities.