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The paper presents the results of a study on the impact of the cultivation of crops which may serve as a substrate for a biogas plant on the atmosphere. Subjects addressed in the study cover a range of issues related to greenhouse gas (GHG) emissions from this area of agricultural activity. The amounts of carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O) emitted to the atmosphere in the...
Performance characterization of some selected conventional cook stoves in South Eastern Nigeria had been carried out. Three conventional cook stoves (3-stone stove, charcoal stove and sawdust stove) were selected and evaluated. Their performances were compared with those of improved stove. The results show that the time spent in cooking 1 Kg of rice/(yam) is significantly different in all the conventional...
The results of theoretical researches of indexes of the wheeled tractor with a gas engine in the characteristic modes of a transport process are given. The rational conducting parameters of transmission and gas engine of the wheeled tractor after the criteria of minimum specific fuel consumption and harmful emission are chosen and grounded.
The paper presents a growing threat to the natural environment caused by the avalanche growth in the number of trucks and cars within the urban areas and beyond their borders. Based on the example of the Szczecin agglomeration - located at the crossroads of the east-west and north-south transit routes - selected harmful components associated with the use of trucks and their negative impact on the...
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