Why Does Driving in Summer Consume More Fuel?

2 Answers
SanMatteo
07/28/25 10:40pm
Using the car air conditioner for extended periods during summer driving increases fuel consumption. 1. Overfilling the tank: This is also a significant factor that raises the vehicle's fuel consumption. Summer temperatures are relatively high, making gasoline in the tank highly prone to evaporation. Filling less not only benefits the car's usage but also reduces the vehicle's weight. 2. Car maintenance: Failure to perform timely maintenance and inspections on the car can lead to minor issues. Problems such as air conditioning malfunctions or poor engine oil performance can all result in increased fuel consumption.
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MacKeegan
08/12/25 3:08am
Last year when I drove to the seaside, I realized the AC consumes too much fuel in summer. Once the compressor kicks in, the engine immediately has to work harder—it's like carrying three extra passengers uphill. And driving with windows down for a breeze when it's hot? The increased air resistance actually burns more fuel! The worst part is stop-and-go traffic—the AC has to keep cooling while the engine idles at its least efficient state, making the fuel consumption numbers painful to watch. My advice: turn off start-stop if waiting over 30 seconds at traffic lights, and keep tire pressure about 5% higher than in winter. These small tricks can save you enough for plenty of milk tea.
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