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  2. Driving factors - Wikipedia

    en.wikipedia.org/wiki/Driving_factors

    In energy monitoring and targeting, a driving factor is something recurrent and measurable whose variation explains variation in energy consumption. The term independent variable is sometimes used as a synonym. One of the most common driving factors is the weather, expressed usually as heating or cooling degree days. In energy-intensive ...

  3. Vehicle dynamics - Wikipedia

    en.wikipedia.org/wiki/Vehicle_dynamics

    Vehicle dynamics is the study of vehicle motion, e.g., how a vehicle's forward movement changes in response to driver inputs, propulsion system outputs, ambient conditions, air/surface/water conditions, etc. Vehicle dynamics is a part of engineering primarily based on classical mechanics.

  4. FTP-75 - Wikipedia

    en.wikipedia.org/wiki/FTP-75

    The weighting factors are 0.43 for the cold start and transient phases together and 0.57 for the hot start phase. [ citation needed ] Though it was originally created as a reference point for fossil fuelled vehicles, the UDDS and thus the FTP-75, are also used to estimate the range in distance travelled by an electric vehicle in a single charge.

  5. Transport - Wikipedia

    en.wikipedia.org/wiki/Transport

    The word is often associated with road-going "emergency ambulances", which form part of emergency medical services, administering emergency care to those with acute medical problems. Air medical services is a comprehensive term covering the use of air transport to move patients to and from healthcare facilities and accident scenes. Personnel ...

  6. Energy-efficient driving - Wikipedia

    en.wikipedia.org/wiki/Energy-efficient_driving

    Fuel economy at various driving speeds. Maintaining an efficient speed is an important factor in fuel efficiency. [9] [10] Optimal efficiency can be expected while cruising at a steady speed and with the transmission in the highest gear (see Choice of gear, below). The optimal speed varies with the type of vehicle, although it is usually ...

  7. Combustor - Wikipedia

    en.wikipedia.org/wiki/Combustor

    One of the driving factors in modern gas turbine design is reducing emissions, and the combustor is the primary contributor to a gas turbine's emissions. Generally speaking, there are five major types of emissions from gas turbine engines: smoke, carbon dioxide (CO 2 ), carbon monoxide (CO), unburned hydrocarbons (UHC), and nitrogen oxides (NO x ).

  8. Cost driver - Wikipedia

    en.wikipedia.org/wiki/Cost_driver

    [A] cost driver is any factor which causes a change in the cost of an activity. [ citation needed ] However, a different meaning is assigned to the term by the business writer Michael Porter : "cost drivers are the structural determinants of the cost of an activity, reflecting any linkages or interrelationships that affect it". [ 1 ]

  9. Car dependency - Wikipedia

    en.wikipedia.org/wiki/Car_dependency

    Traffic in Los Angeles. Car dependency is a phenomenon in urban planning wherein existing and planned infrastructure prioritizes the use of automobiles over other modes of transportation, such as public transport, bicycles, and walking.