Day: February 13, 2022

What is the difference between eroi (energy returned on investment) and net energy?

The wind comes in with an EROI of 18; solar cell at 6.8. In other words, you get 18 times more energy out of the wind turbine than you invest in it during production, installation, operation and disassembly. What is the EROI of an energy source? Energy Return on Investment (EROI) is the amount of …

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Which of the following is classified as investment in national income (gdp) accounting?

What are the four components of GDP and examples? The four components of GDP are consumption, such as the purchase of a DVD; investment, such as the purchase of a computer by a company; government purchase, as an order for military aircraft; and net exports, such as the sale of American grain to Russia. (Many …

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