Energy Return on Investment (EROI) refers to how much energy is returned from one unit of energy invested in an energy …

) energy quality corrections, (3) energy-economic conversions, and (4) alternative EROI statistics. Lastly, we present step …

Declining energy return on investment (EROI) of a society’s available energy sources can lead to both crisis and … interpretation. There are many reasons why frugal living and an energy diet could be beneficial. A measure of wellbeing or welfare … gained per unit of energy expended (WROEI) is proposed. A threshold is hypothesized for the relation between energy …

This paper is a synthesis of a series of twenty papers on the topic of EROI, or energy return on investment. EROI is … simply the energy gained from an energy-obtaining effort divided by the energy used to get that energy. For example, one … and often highly technical papers. About half of the papers are reports on empirical analyses of various energy sources …

continued availability of cheap, high energy return on investment (EROI) oil, however, is increasingly in doubt. If cheap oil is … biophysical constraints if they are to adapt to the coming energy crisis. …

, atmospheric environmental capacity and energy supply. The model is subsequently employed in a realistic case for industrial … the resources, energy and environmental constraints to meet the maximum social economic efficiency. …

Design improvement is critical for achieving a low-cost and high energy-efficient building with low carbon emissions …. Thus, designers need to consider many factors (such as energy, economic and environmental performance) in the early design … improvements (introduced by the author in a previous work, EDH means energy difference between households) with seven potential …

. Cities are responsible for the largest component of global energy, water, and food consumption as well as related sewage and … paper discusses such new and innovative building services engineering systems, which could contribute to increased energy … integrated system approaches for the integrated and environmentally sound management of energy, water and organic waste, are used …

fundamental support systems (energy, food, and water supply). The process introduced some creative tensions between imaginative …