Results 21 to 30 of about 13,390 (308)

The problems of using alcohol biofuel mixtures in the Lithuanian transport system [PDF]

open access: yesTransport, 2009
The article presents the technological aspects of the problems aimed at using alcohol biofuel mixtures in diesel engines kept in operation in Lithuania concerning a gradual replacement of fuel oils with biofuels.
S. Lebedevas, G. Lebedeva
doaj   +3 more sources

Kenyan Farmers' Policy Priorities During Economic Crisis and Stability: Insights From a Best‐Worst Scaling Experiment

open access: yesApplied Economic Perspectives and Policy, EarlyView.
ABSTRACT Amid rising food and fertilizer prices, understanding farmers' policy preferences is critical for effective crisis response. We use best‐worst scaling experiment to assess Kenyan mobile‐owning crop farmers' preferences for government support under high and normal price scenarios.
Mywish K. Maredia   +4 more
wiley   +1 more source

Análise experimental e exergética da operação de um motor diesel com óleo vegetal [PDF]

open access: yes, 2012
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia MecânicaA poluição ambiental e os impactos econômicos associados ao uso de combustíveis fósseis tem fomentado o estudo de fontes ...
Nieto Garzón, Nury Audrey
core  

Carbonyl Emissions from Gasoline and Diesel Motor Vehicles [PDF]

open access: yesEnvironmental Science & Technology, 2008
Carbonyls from gasoline-powered light-duty vehicles (LDVs) and heavy-duty diesel-powered vehicles (HDDVs) operated on chassis dynamometers were measured by use of an annular denuder-quartz filter-polyurethane foam sampler with O-(2,3,4,5,6-pentafluorobenzyl)hydroxylamine derivatization and chromatography-mass spectrometry analyses.
Destaillats, Hugo   +6 more
openaire   +2 more sources

How Competitive Is Myanmar's Rice Sector? A Comparison of Production Costs and Efficiency

open access: yesAgribusiness, EarlyView.
ABSTRACT This paper analyzes the cost competitiveness of rice production in Myanmar by examining production costs, cost efficiency, and the potential effect of improving cost efficiency on the country's global competitiveness. To achieve this, we conduct a comparative analysis of production costs among major rice‐producing countries and estimate the ...
Nandar Aye Chan   +3 more
wiley   +1 more source

Redução de emissão odorante na exaustão de motor diesel utilizando aditivo [PDF]

open access: yes, 2012
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Ambiental, Florianópolis, 2011Devido à importância que o óleo diesel tem na atual matriz energética, principalmente nacional, é ...
Miranda, Gilson Rodrigo de
core  

Procedure for Haul Truck On-Board LNG Fuel Systems Performance Evaluation [PDF]

open access: yesE3S Web of Conferences, 2019
The state-of-the-art of the advantages of using liquefied natural gas as a motor fuel for haul trucks instead of oil motor fuel is considered. It is noted that the energy intensity of the process of rock mass hauling by dual-fuel (gas-diesel) haul trucks
Dubov Georgiy   +4 more
doaj   +1 more source

Motor Oil Viscosity Stratification in Friction Units of Marine Diesel Motors [PDF]

open access: yesAmerican Journal of Applied Sciences, 2016
The phenomenon of the motor oil viscosity stratification in lubricating the cylinder-piston units of marine diesel engines has been investigated. The correlations for determining the shear stress and the velocity, occurring in the liquid flow between the parallel planes, have been given.
Sergey Viktorovich Sagin   +1 more
openaire   +1 more source

Farmers’ Protests in Germany: Media Coverage and Types of Bias

open access: yesAgribusiness, EarlyView.
ABSTRACT The German farmers’ protests of 2024 sparked widespread media coverage and public debate. Yet, media coverage was not always positive, reflecting the media's attention‐seeking and selective focus. Occurrences of farmers blocking media outlets reflected distrust in how their concerns were portrayed.
Felix Schlichte, Doris Läpple
wiley   +1 more source

Traffic, diesel and asthma : a literature review [PDF]

open access: yes, 2007
This article details the major pollutants from motor vehicle exhaust, mainly particulate matter, nitrogen dioxide and polycyclic aromatic hydrocarbons.
Schembri, Gabriel
core  

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