sustainability - SUNY College of Environmental Science and Forestry

Sustainability 2011 , 3 1815 of energy intensity, ei, of production (or consumption), multiplied by the number of units of produ ...

Sustainability 2011 , 3 1816 the most aggregated value of ei that characterizes energy consumption and economic cost is the econ ...

Sustainability 2011 , 3 1817 From (7), we solve for the total money invested as: (8) Substituting (8) and (5) into (6) and we ob ...

Sustainability 2011 , 3 1818 In (9–11) the various factors are not independent of each other. Ideally, data and calculations for ...

Sustainability 2011 , 3 1819 a function of EROI using a range of reasonable inputs. We estimate input values for estimating the ...

Sustainability 2011 , 3 1820 EROI. If EROI becomes less than 10, as may soon be the case for average US oil, the requisite oil p ...

Sustainability 2011 , 3 1821 In looking further at the plotted EROI and price points in Figure 3 we find an interesting pattern. ...

Sustainability 2011 , 3 1822 Figure 4. The price of a thousand cubic feet of natural gas necessary for a firm to make a target r ...

Sustainability 2011 , 3 1823 on their own product (e.g., fuels) are cheapest. This concept has implications for renewable energy ...

Sustainability 2011 , 3 1824 this paper. Thus, the theory of this paper can be viewed as describing a lower bound on price as it ...

Sustainability 2011 , 3 1825 phenomenon of decreasing net energy might explain a lot of our present economic difficulties [18,22 ...

Sustainability 2011 , 3 1826 EIA. Annual Energy Review 2007; DOE/EIA-0384. U.S. Department of Energy: Washington, DC, USA, 2008 ...

Sustainability 2011 , 3 1827 Hall, C.A.S.; Cleveland, C.J.; Mithell, B. Yield per effort as a function of time and effort for U ...

Sustainability 2011 , 3 1828 Appendix Prices are from the Energy Information Administration Annual Energy Review 2009. Electrici ...

Sustainability 2011 , 3 1829 Table A2. Input values used to calculate einvestment in MJ/$ 2005 (MJ/$ in final column) are based ...

Sustainability 2011 , 3 1830 Table A2. Cont. Year Energy Input Fuel price Price unit Million $2005 spent for energy inputs MJ/$2 ...

Sustainability 2011 , 3 1831 Table A2. Cont. Year Energy Input Fuel price Price unit Million $2005 spent for energy inputs MJ/$2 ...

Sustainability 2011 , 3 1832 Table A2. Cont. Year Energy Input Fuel price Price unit Million $2005 spent for energy inputs MJ/$2 ...

Part II: EROI for Conventional Fossil Fuels ...

Sustainability 2011 , 3 , 1866-1887; doi:10.3390/su3101866 sustainability ISSN 2071- 1050 http://www.mdpi.com/journal/sustainabi ...