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Building materials recycler switches fleet to Neste renewable diesel

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Since forming in 2013, Argent Materials, a San Francisco Bay Area recycler of concrete and asphalt, and supplier of aggregate such as crushed rock, entry, cutback, sand, backfill and base rock for construction projects, has diverted more than a billion pounds of waste from local landfills. <>/div>. —Bill Crotinger.

Renewable 448
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MAN Engines approves off-road engines for use with regenerative diesel/HVO

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According to MAN Engines, all MAN off-road engines from the current product portfolio can be operated with regenerative diesel—also known as HVO (hydrogenated vegetable oil)—in accordance with the EN15940 standard in Europe or the US specification ASTM D975. Marine engines for regenerative diesel have already been approved.

Engine 221
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Study shows biodiesel blends in buses reduce PM, other harmful exhaust elements, EC and CO

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The researchers found that biodiesel has many advantages over regular diesel even in a very low blend percentage, including low emissions of particulate matter, combustion elements (mainly sulfur), elemental carbon, and carbon monoxide. Ultra-low-sulfur diesel (ULSD) was used as base fuel.

Exhaust 312
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Study finds PM from biodiesel blends may be 50-80% less toxic per unit PM mass than from petroleum diesel

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In a study published in the ACS journal Energy & Fuels , a team from the University of Vermont reports that particulate matter from the combustion of biodiesel blends may be 50–80% less toxic per unit PM mass emitted than PM from petroleum diesel, depending on feedstock. PM-normalized DTT Activity for biodiesel exhaust PM.

B0 186
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Study finds renewable diesel blends deliver fuel consumption and CO2 benefits in Euro 5 engines

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Researchers from Istituto Motori - CNR in Italy and Eni report in a paper in the journal Fuel that blends of hydrocracked fossil oil (HCK) and Hydrotreated Vegetable Oil (HVO) as diesel fuels deliver fuel consumption (FC) and CO 2 savings based on the NEDC cycle. —Napolitano et al. All fuels were FAME-free.

Diesel 199
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BMW provides an update on waste heat recovery projects; Turbosteamer and the Thermoelectric Generator

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with technologies such as direct fuel injection, variable valve timing, exhaust-driven turbochargers, brake energy regeneration and Auto Start Stop function—about 60% of the generated energy is still lost, half of it being exhaust heat, with the remaining half as heat absorbed by the engine cooling system. Click to enlarge.

Waste 376
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Neste Oil’s 100% renewable diesel to be tested for the first time in marine use

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Neste Oil, the Port of Rotterdam, and the Rotterdam Climate Initiative have launched a trial in which a Port Authority patrol boat will run for an extended period on Neste Oil’s NExBTL renewable diesel. This will be the first time that NExBTL renewable diesel has been used in a marine environment.

Mariner 225