The objective of this study is to identify the economic feasibility of the investment made to establish a commercial slaughterhouse facility in Faafan village, Somali Regional State, Ethiopia. Although the financial feasibility of the facility is essential for the project, the main purpose of...

The aim of this work was to investigate: the intersolubility of mixtures of rapeseed oil methyl esters, diesel fuel and ethanol; to determine the dependence of solubility upon temperature and finally to evaluate emissions of exhaust gases of these stable fuel mixtures.

The increasing energy demand, surging oil prices, depleting oil reserves and environmental pollution problems associated with the use of fossil fuels have sparked renewed interest to find out clean alternative fuels. Alcohols such as methanol, ethanol and butanol are competitive alternative...

This paper presents the details of development of a biodiesel production test rig based on hydrodynamic cavitation followed by results of experimental investigation carried out on a four cylinder, direct injection water cooled diesel engine operating on diesel and biodiesel blend of Citrullus...

In densely-populated countries and in particular in large metropolitan areas, the presence of so much human activity causes all sorts of negative externalities, for example traffic noise disturbance. These externalities call for corrective measures by the government. Economists have developed a...

The aim of this paper is to report new evidence relating to residents’ valuations of aircraft noise in three countries with an emphasis on a comparison of the valuations obtained using two contrasting approaches. One might be regarded as a standard stated choice approach offering pairwise...

To evaluate the causal impact of noise exposure on housing prices, we exploit a sudden and massive reduction in flight traffic that occurred with the onset of the Covid-19 measures in Germany. Comparing locations differently exposed to pre-pandemic noise with a differencein-difference approach,...