Which efficient driving guideline helps avoid unnecessary fuel consumption when starting the vehicle?

Question

DentroTest · Accepted Answer

In modern vehicles with electronic fuel injection, the control unit precisely manages the air-fuel mixture needed for starting. Therefore, starting the engine without pressing the accelerator avoids pointless excess consumption and mechanical wear. The other options are incorrect: keeping the engine idling to warm it up while stationary lengthens the warm-up time and wastes fuel, while not using engine braking increases consumption, since when slowing down with a gear engaged without accelerating, fuel consumption is zero (injection cut-off).

Which efficient driving guideline helps avoid unnecessary fuel consumption when starting the vehicle?

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