net efficiency
61Micro combined heat and power — or micro CHP is an extension of the now well established idea of cogeneration to the single/multi family home or small office building. Contents 1 Overview 2 Micro CHP systems 3 Engine types and technologies …
62Solar power satellite — A solar power satellite, or SPS or Powersat, as originally proposed would be a satellite built in high Earth orbit that uses microwave power transmission to beam solar power to a very large antenna on Earth. Advantages of placing the solar… …
63Mitigation of global warming — involves taking actions to reduce greenhouse gas emissions and to enhance sinks aimed at reducing the extent of global warming. [ [http://www.ipcc.ch/pdf/glossary/ar4 wg3.pdf IPCC Glossary Working Group III, p. 818] ] This is in distinction to… …
64Jet engine — For a general overview of aircraft engines, see Aircraft engine. A Pratt Whitney F100 turbofan engine for the …
65Antenna (radio) — Whip antenna on car …
66Electric vehicle — Sustainable energy Renewable energy …
67Renewable energy commercialization — The wind, Sun, and biomass are three renewable energy sources …
68Glossary of environmental science — This is a glossary of environmental science.Environmental science is the study of interactions among physical, chemical, and biological components of the environment. Environmental science provides an integrated, quantitative, and… …
69Climate change mitigation — Fossil fuel related CO2 emissions compared to five of IPCC s emissions scenarios. The dips are related to global recessions. Data from IPCC SRES scenarios; …
70Ocean thermal energy conversion — Temperature differences between the surface and 1000m depth in the oceans Ocean Thermal Energy Conversion (OTEC) uses the difference between cooler deep and warmer shallow or surface ocean waters to run a heat engine and produce useful work,… …
