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  2. Fuel - Wikipedia

    en.wikipedia.org/wiki/Fuel

    A fuel is any material that can be made to react with other substances so that it releases energy as thermal energy or to be used for work. The concept was originally applied solely to those materials capable of releasing chemical energy but has since also been applied to other sources of heat energy, such as nuclear energy (via nuclear fission ...

  3. Food vs. fuel - Wikipedia

    en.wikipedia.org/wiki/Food_vs._fuel

    An ethanol fuel plant under construction, Butler County, Iowa. Food versus fuel is the dilemma regarding the risk of diverting farmland or crops for biofuels production to the detriment of the food supply. The biofuel and food price debate involves wide-ranging views and is a long-standing, controversial one in the literature.

  4. Human food - Wikipedia

    en.wikipedia.org/wiki/Human_food

    Reuse pathways of surplus food intended for human consumption, such as food donation, is the next best strategy after prevention, followed by animal feed, recycling of nutrients and energy followed by the least preferred option, landfill, which is a major source of the greenhouse gas methane. [109]

  5. Heat of combustion - Wikipedia

    en.wikipedia.org/wiki/Heat_of_combustion

    The heating value (or energy value or calorific value) of a substance, usually a fuel or food (see food energy), is the amount of heat released during the combustion of a specified amount of it. The calorific value is the total energy released as heat when a substance undergoes complete combustion with oxygen under standard conditions.

  6. Fuel gas - Wikipedia

    en.wikipedia.org/wiki/Fuel_gas

    Fuel gas is widely used by industrial, commercial and domestic users. Industry uses fuel gas for heating furnaces, kilns, boilers and ovens and for space heating and drying . The electricity industry uses fuel gas to power gas turbines to generate electricity. The specification of fuel gas for gas turbines may be quite stringent. [5]

  7. Biomass (energy) - Wikipedia

    en.wikipedia.org/wiki/Biomass_(energy)

    Biomass (in the context of energy generation) is matter from recently living (but now dead) organisms which is used for bioenergy production. There are variations in how such biomass for energy is defined, e.g. only from plants, [8] or from plants and algae, [9] or from plants and animals. [10]

  8. Food energy - Wikipedia

    en.wikipedia.org/wiki/Food_energy

    Food energy is chemical energy that animals (including humans) derive from their food to sustain their metabolism, including their muscular activity. [ 1 ] Most animals derive most of their energy from aerobic respiration , namely combining the carbohydrates , fats , and proteins with oxygen from air or dissolved in water . [ 2 ]

  9. Fossil fuel - Wikipedia

    en.wikipedia.org/wiki/Fossil_fuel

    According to Vox in August 2022, "Economists have pointed to energy prices as the main reason for high inflation," noting that "energy prices indirectly affect virtually every part of the economy". [54] Sectors that raise prices significantly as a result of higher fossil fuel prices include transportation, food, and shipping. [54]

  1. Related searches other words for intruding food items are best defined as energy fuel and gas

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