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Tachometer (left) of a Volkswagen Golf Mk6 passenger car idling at just below 800 r/min.. Idle speed, sometimes simply called "idle", is the rotational speed an engine runs at when the engine is idling, that is when the engine is uncoupled from the drivetrain and the throttle pedal is not depressed.
At the local level, there are many municipalities that have enacted anti-idling regulations. New York is an example of states making their idling policies more strict. In early 2009, New York Mayor Michael Bloomberg signed legislation that reduced the amount of time non-emergency vehicles could idle when they are located near schools.
You may idle while waiting in a drive-through line, picking up a curbside order or dropping off the kids at school or when you're stuck in standstill traffic. Though idling is common, it's not ...
Remapping is the simplest form of stage one engine tuning; it is performed mostly on turbocharged vehicles containing a modern Engine Control Unit (ECU). Almost all modern vehicles have an ECU, primarily supplied by Bosch or Delphi Technologies. The ECU has firmware that controls the various parameters under which the engine runs. These ...
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.
Engines that always run at a relatively high speed, such as race car engines, will have considerable overlap in their valve timings for maximum volumetric efficiency. Road car engines are different because they are required to idle at less than 1000rpm, and excessive valve overlap would make smooth idling impossible because of the mixing of ...
In 2022, GM filed a petition with the National Highway Traffic Safety Administration seeking permission to deploy up to 2,500 self-driving Origin vehicles annually without human controls such as ...
A start-stop system turns the engine off when the vehicle is stopped. Gliding is turning off the engine while the vehicle is still moving. Safety relevant components like power steering or vacuum servo might be required to be electrically powered, but in most vehicles these components are driven by the combustion engine, only. The fuel saving ...