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  2. Parasitic load - Wikipedia

    en.wikipedia.org/wiki/Parasitic_load

    Parasitic load or parasitic loss may refer to in internal combustion engines, it refers to devices that take energy from the engine in order to enhance the engine's ability to create more energy or convert energy to motion. in electricity production, it is any of the loads or devices powered by the generator, not contributing to net electric yield

  3. Power gating - Wikipedia

    en.wikipedia.org/wiki/Power_gating

    Power gating affects design architecture more than clock gating.It increases time delays, as power gated modes have to be safely entered and exited. Architectural trade-offs exist between designing for the amount of leakage power saving in low power modes and the energy dissipation to enter and exit the low power modes.

  4. Idle reduction - Wikipedia

    en.wikipedia.org/wiki/Idle_reduction

    Idle free zone turn engine off sign. Idle reduction describes technologies and practices that minimize the amount of time drivers idle their engines. Avoiding idling time has a multitude of benefits including: savings in fuel and maintenance costs, extending vehicle life, and reducing damaging emissions.

  5. One Watt Initiative - Wikipedia

    en.wikipedia.org/wiki/One_Watt_Initiative

    Standby power, informally called vampire or phantom power, refers to the electricity consumed by many appliances when they are switched off or in sleep mode.The typical standby power per appliance is low (typically from less than 1 to 25 W), but, when multiplied by the billions of appliances in houses and in commercial buildings, standby losses represent a significant fraction of total world ...

  6. Uninterruptible power supply - Wikipedia

    en.wikipedia.org/wiki/Uninterruptible_power_supply

    There are several solutions to reduce the THD I in a double-conversion UPS: Classic solutions such as passive filters reduce THD I to 5%–10% at full load. They are reliable, but big and only work at full load, and present their own problems when used in tandem with generators. An alternative solution is an active filter.

  7. EPA sets strict emissions standards for heavy-duty trucks and ...

    www.aol.com/news/epa-sets-strict-emissions...

    The Environmental Protection Agency on Friday set strict emissions standards for heavy-duty trucks, buses and other large vehicles, an action that officials said will help clean up some of the ...

  8. Progressive shifting - Wikipedia

    en.wikipedia.org/wiki/Progressive_shifting

    E.g. in a truck with a Caterpillar C15 engine, it is achieved by going all the way up to 1950RPM, then shifting to a gear that will put the engine at 1500RPM. In contrast, using progressive shifting, i.e. maintaining maximum torque , the overall acceleration is slower but there is increased fuel efficiency and lower wear of the engine due to ...

  9. Standby power - Wikipedia

    en.wikipedia.org/wiki/Standby_power

    Standby power, also called vampire power [1], vampire draw, phantom load, ghost load, or leaking electricity, refers to how electronic and electrical appliances consume electric power. At the same time, they are switched off (but are designed to draw some power) or in standby mode. It only occurs because some devices claim to be "switched off ...