Environmental Engineering Reference
In-Depth Information
oil company executive to a Greenpeace volunteer, will agree that renewables are the energy
source of the future, yet no one seems to know when that future will begin.
1
A calorie is defined as the amount of energy needed to raise the temperature of 1
millilitre of water by one degree Celsius. One calorie (cal) is about 4.2 joules.
2
Total Final Consumption (TFC) is Total Primary Energy (TPE) less the quantities of
energy required to transform primary sources, such as crude oil or wind, into forms suitable
for end use, such as petrol or electricity.
3
Data are available on the IEA (
www.iea.org
)
and World Bank (
www.worldbank.org
)
websites.
