What is the appropriate tire pressure for new energy vehicles?

[JessicaAnn]

For new energy vehicles, the tire pressure should comply with the international standard GBT2978-2008. The recommended tire pressure for standard tires is 2.4-2.5 bar; for reinforced tires, it is 2.8-2.9 bar. The maximum tire pressure should not exceed 3.5 bar. Hazards of overinflated tires: Reduced tire friction and adhesion, affecting braking performance; Causes steering wheel vibration and deviation, reducing driving comfort; Accelerates wear on the central tread pattern, shortening tire lifespan; Increases vehicle vibration, indirectly affecting the lifespan of other components; Overextends tire cords, reducing elasticity and increasing the load on the vehicle during driving; Decreases puncture resistance. Sharp objects like nails or glass can easily penetrate the tire, leading to internal cracks, blowouts, or tire bursts. Hazards of underinflated tires: Increases friction with the road surface, raising fuel consumption; Makes the steering wheel heavy and prone to deviation, compromising driving safety; Increases movement in various parts of the tire, causing abnormal heat due to excessive rolling; Weakens the function of cords and rubber, leading to delamination or cord breakage, and excessive friction with the rim, causing damage and abnormal wear; Multiplies friction with the ground, rapidly increasing tire temperature, softening the tire, and drastically reducing its strength. High-speed driving may result in a blowout; Increases tire deformation, making the sidewalls prone to cracks and generating flexing motion, leading to excessive heat, rubber aging, cord fatigue, and breakage. It also enlarges the tire's contact area, accelerating shoulder wear.