- fuel-energy balance
- bilan énergétique
English-French dictionary of Geography . V.M. Kotlyakov, A.I. Komarova. 2007.
English-French dictionary of Geography . V.M. Kotlyakov, A.I. Komarova. 2007.
Ethanol fuel energy balance — † depending on production method All biomass needs to go through some of these steps: it needs to be grown, collected, dried, fermented, and burned. All of these steps require resources and an infrastructure. The total amount of energy input into … Wikipedia
Energy balance — has the following meanings in several fields:* In physics, energy balance is a systematic presentation of energy flows and transformations in a system. Theoretical basis for an energy balance is the first law of thermodynamics according to which… … Wikipedia
Energy policy — is the manner in which a given entity (often governmental) has decided to address issues of energy development including energy production, distribution and consumption. The attributes of energy policy may include legislation, international… … Wikipedia
Energy economics — is a broad scientific subject area which includes topics related to supply and use of energy in societies. [Sickles, Robin (2008). energy economics. The New Palgrave Dictionary of Economics , 2nd Edition.… … Wikipedia
Energy policy of the United States — The energy policy of the United States is determined by federal, state and local public entities in the United States, which address issues of energy production, distribution, and consumption, such as building codes and gas mileage standards.… … Wikipedia
Energy content of biofuel — A Table of Energy Content and CO2 Output of Common Fuels Energy is the ability to do work. Per kilogram of mass, different substances can do different amounts of work.cite web url=http://bioenergy.ornl.gov/papers/misc/energy conv.html… … Wikipedia
Energy development — Schematic of the global sources of energy in 2006 2007 … Wikipedia
energy conversion — ▪ technology Introduction the transformation of energy from forms provided by nature to forms that can be used by humans. Over the centuries a wide array of devices and systems has been developed for this purpose. Some of these energy … Universalium
Energy conversion efficiency — Output energy is always lower than input energy … Wikipedia
Energy returned on energy invested — Contents 1 Non manmade energy inputs 2 Relationship to net energy gain 3 The economic influence of EROEI … Wikipedia
Energy budget — An energy budget is a balance sheet of energy income against expenditure. It is studied in the field of Energetics which deals with the study of energy transfer and transformation from one form to another. Calorie is the basic unit of measurement … Wikipedia