per unit consumption
41Gross domestic product — GDP redirects here. For other uses, see GDP (disambiguation). Not to be confused with Gross national product or Gross domestic income. CIA World Factbook 2005 figures of total nominal GDP (top) compared to PPP adjusted GDP (bottom) …
42Fuel efficiency — is a form of thermal efficiency, meaning the efficiency of a process that converts chemical potential energy contained in a carrier fuel into kinetic energy or work. Overall fuel efficiency may vary per device, which in turn may vary per… …
43Economics — This article is about the social science. For other uses, see Economics (disambiguation). For a topical guide to this subject, see Outline of economics. Economics …
44Kilowatt hour — KWH redirects here. For other uses, see KWH (disambiguation). Residential electricity meter located in Canada The kilowatt hour, or kilowatt hour, (symbol kW·h, kW h or kWh) is a unit of energy equal to 1000 watt hours or 3.6 megajoules …
45Specific impulse — (usually abbreviated I sp) is a way to describe the efficiency of rocket and jet engines. It represents the impulse (change in momentum) per unit of propellant. The higher the specific impulse, the less propellant is needed to gain a given amount …
46Orders of magnitude (energy) — Different orders of magnitude of natural energy production for solar, wind and geothermal versus average global consumption rate (1 W = 1 J/s) This list compares various energies in joules (J), organized by order of magnitude. List of orders of… …
47Ontario electricity policy — refers to plans, legislation, incentives, guidelines, and policy processes put in place by the Government of the Province of Ontario, Canada, to address issues of electricity production, distribution, and consumption. Policymaking in the… …
48Alcohol and cancer — Total recorded alcohol per capita consumption (15+), in litres of pure alcohol.[1] Alcohol is associated with an increased risk of a number of cancers.[2] 3.6% of all cancer cases and 3.5% of cancer deaths worldwide are attributable to consu …
49Water supply — is the process of self provision or provision by third parties of water of various qualities to different users. Irrigation is covered separately. Global access to waterIn 2004 about 3.5 billion people worldwide (54% of the global population) had …
50Diesel engine — Diesel engines in a museum Diesel generator on an oil tanker …
