What is the purpose of engine start-stop technology?
2 Answers
Engine start-stop technology serves the following purpose: it automatically shuts off the engine when the vehicle comes to a temporary stop during driving and restarts the engine when it's time to move forward again. This is a new technology that automatically controls engine start-stop, aiming to put the engine into automatic hibernation during brief stops to achieve fuel savings and emission reduction. The working principle of the start-stop system: when the vehicle stops moving due to traffic congestion or at an intersection, the driver presses the brake pedal and shifts to neutral. At this point, the Start or Stop system automatically detects that the engine is idling and not in gear, the wheel speed sensors of the anti-lock system show zero, and the electronic battery sensor indicates there is enough energy for the next start. When these three conditions are met, the engine automatically stops rotating.
When driving in the city, I often encounter traffic jams or red lights, where the engine start-stop technology automatically shuts off the engine to help me save fuel and money. As an environmentalist, I've checked the data—this feature can reduce fuel consumption by 10% in urban driving, equivalent to saving hundreds of liters of fuel annually, while also significantly cutting tailpipe emissions and improving air quality. Especially on busy roads during rush hours, the frequent engine shutdowns and restarts may cause slight vibrations that occasionally feel uncomfortable, but the contribution to the planet is real. I've heard that promoting this technology is part of global emission reduction strategies, and if every vehicle participates, we can mitigate the impact of climate change. However, it's important to monitor battery lifespan—opting for high-quality components during maintenance can prevent minor issues and make travel more sustainable and greener in the long run.
