emission category
1Emission factor — An emission factor can be defined as the average emission rate of a given pollutant for a given source, relative to the intensity of a specific activity. Emission factors are used to derive estimates of air pollutant or greenhouse gas emissions… …
2Emission test cycle — An emission test cycle, also known as a smog check, is a specified procedure for measuring pollutant emissions of engines. For emission measurements to be comparable for different engines in a category, the measurements are performed under a… …
3European emission standards — Simplified chart showing the progression of European emission standards for Diesel cars …
4Field emission display — A field emission display (FED) is a display technology that incorporates flat panel display technology that uses large area field electron emission sources to provide electrons that strike colored phosphor to produce a color image as a electronic …
5United States emission standards — In the United States, emissions standards are managed on a national level by the Environmental Protection Agency (EPA). State and local governments play a subsidiary role. Contents 1 Motor vehicles 1.1 Light duty vehicles 1.1.1 Phase 1 1994 1999 …
6European Union Emission Trading Scheme — The European Union Emissions Trading Scheme (EU ETS) also known as the European Union Emissions Trading System, was the first large emissions trading scheme in the world.[1] It was launched in 2005 to combat climate change and is a major pillar… …
7US emission standard — In the United States, emissions standards are managed on a national level by the Environmental Protection Agency (EPA). State and local governments play a subsidiary role. Motor vehicles Due to its pre existing standards and particularly severe… …
8Negative carbon dioxide emission — A negative carbon dioxide emission or negative emission is a permanent removal of the greenhouse gas carbon dioxide from the atmosphere.[1] It is considered the direct opposite of carbon dioxide emission, hence its name. It is the result of… …
9Low emission zone — A Low Emission Zone (LEZ) is a geographically defined area which seeks to restrict or deter access by certain polluting vehicles or only allow low (as regular or plug in hybrid) or zero emission (as all electric) vehicles, with the aim of… …
10Nobel Prize winners by category (physics) — ▪ Table TR class= oec even > ss= oec even > Nobel Prize winners by category (physics) year name country* achievement 1901 Röntgen, Wilhelm Conrad Germany discovery of X rays 1902 Lorentz, Hendrik Antoon The Netherlands investigation of the… …
