What Does Low Rolling Resistance Tire Mean?
2 Answers
Low rolling resistance tires refer to tires that do not affect braking performance. Here are the relevant details: 1. Differences between low rolling resistance tires and traditional tires: The tread pattern, sidewalls, and dimensions of low rolling resistance tires differ from those of traditional tires. These tires have a larger diameter (covering more distance per rotation) and a narrower width (reducing contact area with the ground). 2. Definition of low rolling resistance tires: Low rolling resistance tires are a technological innovation driven by increasingly stringent passenger vehicle emission standards (or fuel consumption limits) in the EU and the US. According to the EU's 2020 passenger vehicle emission standards, the average CO2 emissions across a car manufacturer's product line must not exceed 95 grams per 100 kilometers.
Low rolling resistance tires are those with exceptionally low rolling resistance, meaning they consume less energy when the tire rubs against the ground. I’ve always been interested in studying automotive components, and these tires use special rubber compounds and tread patterns to minimize energy loss during tire deformation. Traditional tires account for about 10% to 15% of fuel consumption due to rolling resistance, but low rolling resistance versions can reduce it to around 7%. Manufacturers also work on the tire structure, such as using lighter materials or optimizing air pressure distribution, to make driving more effortless. This technology not only saves fuel but also extends battery life, which is especially beneficial for electric vehicles. However, they might be slightly firmer, offering less comfort than conventional tires, but in the long run, they help reduce fuel expenses and emissions. Overall, they’re a progressive choice, ideal for those who prioritize efficient travel.
