Does the Internal and External Air Circulation Affect Fuel Consumption?

1 Answers
JaydenFitz
07/24/25 9:26pm
Internal and external air circulation is just one factor affecting fuel consumption, with the type of air conditioning compressor playing a more significant role. Here is the relevant information: 1. Internal Circulation: The internal circulation in a car refers to the process where the air inside the vehicle is heated or cooled before being recirculated back into the cabin. 2. External Circulation: This involves using a fan to draw outside air into the cabin, meaning there is a flow of air between the outside and inside of the vehicle. The air blown by the fan comes from outside, and even if the fan is off, air is still drawn into the cabin while driving to replenish fresh air. 3. Functions of Internal and External Circulation: Internal circulation allows the air inside the vehicle to circulate in a closed loop; the air inside is heated or cooled before being recirculated back into the cabin.
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