In-Use Emissions from Heavy-Duty Diesel Vehicles

Article Abstract:

A review of over-the-road heavy-duty diesel vehicles' in-use emissions, including carbon monoxide, hydrocarbon, particle matter and oxides of nitrogen. Proposals for new research directions and improvements to study methodology are also included.

Pollutants produced & recycled, Nitrogen Oxide Pollutants, Automotive services, not elsewhere classified, Diesel Engines ex Automotive, Auto Services ex Repair & Wash, Particulate Pollutants, Hydrocarbon Pollutants NEC, Carbon Monoxide Pollutants, All Other Automotive Repair and Maintenance, Statistical Data Included, Evaluation, Pollution control industry, Automotive services industry, Observations, Critical Essay, Gaseous pollutants, Nitrogen oxides, Diesel motor, Diesel engines, Hydrocarbon pollutants, Carbon monoxide

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Impact of biodiesel source material and chemical structure on emissions of criteria pollutants from a heavy-duty engine

Article Abstract:

This study researches biodiesels made from many feedstocks, including fatty acid methyl and ethyl esters, and the impact on the emissions performance of heavy-duty truck engines. Biodiesel is described as an oxygenated diesel fuel manufactured from vegetable oils and animal fats.

Science & research, Motor vehicle parts and accessories, Petroleum Refineries, Gasoline Engine and Engine Parts Manufacturing, Auto Gasoline Engines, Petroleum refining, Diesel Oil, All Other Petroleum and Coal Products Manufacturing, Petrochemical Feedstocks, Research, Automobile equipment and supplies industry, Automotive parts industry, Automotive gasoline engines, Fuel industry, Petrochemical feedstock

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Effect of several oxygenates on regulated emissions from heavy-duty diesel engines

Article Abstract:

Three oxygenated fuel additives for diesel engines were tested to determine their ability to reduce NOx emissions. The fuel additive octanol was found to decrease NOx emission, while methyl esters of soybeans were found to increase NOx emissions by 2% to 3%. The fuel additive decanoic acid was found not to alter NOx emission of the engine. The ability of octanol and methyl soy ester to influence NOx emission lies in their ability to influence fuel droplet size and viscosity.

Automotive Diesel Engines, Automobiles, Environmental aspects, Fuel additives, Diesel motor exhaust gas, Diesel emissions

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