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  2. Start-stop system - Wikipedia

    en.wikipedia.org/wiki/Start-stop_system

    A start-stop system off button on a Perodua Myvi. A vehicle start-stop system or stop-start system (also known as S&S, micro hybrid, or micro hybrid electric vehicle (μHEV)) [1] automatically shuts down and restarts the internal combustion engine to reduce the amount of time the engine spends idling, thereby reducing fuel consumption and emissions.

  3. Kill switch - Wikipedia

    en.wikipedia.org/wiki/Kill_switch

    An emergency switch in Japan. On railways, [1] an emergency stop is a full application of the brakes in order to bring a train to a stop as quickly as possible. [2] This occurs either by a manual emergency stop activation, such as a button being pushed on the train to start the emergency stop, or on some trains automatically, when the train has passed a red signal or the driver has failed to ...

  4. Shutdown valve - Wikipedia

    en.wikipedia.org/wiki/Shutdown_valve

    A safety shutoff valve should be fail-safe, that is close upon failure of any element of the input control system (such as temperature controllers, steam pressure controllers), air pressure, fuel pressure, current from a flame detector, or current from other safety devices such as low water cutoff, and high pressure cutoff.

  5. What will shift to zero-emission trucks cost? $1 trillion for ...

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  6. Jacobs Vehicle Systems - Wikipedia

    en.wikipedia.org/wiki/Jacobs_Vehicle_Systems

    Jacobs Vehicle Systems, Inc. is an American company that engineers, develops and manufacturers commercial vehicle retarding and valve actuation technologies.The company produces light-duty, medium-duty, and heavy-duty engine brakes, recreational vehicle exhaust brakes, aftermarket parts and tune-up kits to heavy-duty diesel engine manufacturers in its domestic market in America, as well as in ...

  7. Active Fuel Management - Wikipedia

    en.wikipedia.org/wiki/Active_Fuel_Management

    This system shuts off any number of cylinders in a variety of combinations, maximizing fuel economy and avoiding switching between banks of cylinders. [ 4 ] [ 5 ] This is achieved by using oil pressure solenoids to collapse each individual hydraulic valve lifter, allowing for fully independent individual cylinder control.

  8. Variable displacement - Wikipedia

    en.wikipedia.org/wiki/Variable_displacement

    The oldest engine technological predecessor for the variable-displacement engine is the hit and miss engine, developed in the late 19th century.These single-cylinder stationary engines had a centrifugal governor that cut the cylinder out of operation so long as the engine was operating above a set speed, typically by holding the exhaust valve open.

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