At present, the weight concerns surrounding new energy vehicles (NEVs) have sparked widespread debate. According to Xinhua News Agency, from January to April 2026, the average curb weight of new energy passenger vehicles in China surged to 1,939.3 kilograms—a 27.5% increase from 2020. Some models even exceed 3 tons. For example, the Zunjie V800 tips the scales at 3.1 tons, while the Yangwang U8L reaches 3.6 tons and weighs over 4.2 tons when fully loaded, nearly matching the heft of light-duty trucks. This weight gain in NEVs can be attributed to several factors. First, automakers are continuously increasing battery capacity to ease range anxiety, significantly boosting the weight of battery packs. Second, the widespread integration of intelligent features—such as advanced driver-assistance systems (ADAS) and smart cockpits—adds weight due to enhanced vehicle perception, computing, and communication capabilities. Third, improvements in body structure, sound insulation, and chassis systems aim to bolster collision safety and passenger comfort but also contribute to the overall mass. However, excessive vehicle weight poses numerous challenges, including heightened driving safety risks, increased energy consumption, and accelerated wear and tear on roads and bridges. To tackle these issues, the industry is actively exploring solutions, such as ramping up research and development of lightweight technologies, incorporating lightweight materials like high-strength steel and aluminum alloys, and enhancing the energy density of power batteries alongside system integration optimization. Meanwhile, policy measures are also spurring technological innovation in the sector. For instance, the implementation of energy consumption limits for electric vehicles aims to curb the trend of rising vehicle weights.