23年中国乘用车销量2606万辆，同比增长10.6%。总销量创历史新高，新能源产销量连续九年位居全球第一，出口全球第一。预计24年乘用车行业增速3%-5%，主要增量来自于出口与新能源。

特斯拉发布了 Optimus-Gen 2 最新视频，相比上一代在运动性能、稳定性方面提升显著。新一代 Optimus 搭载了特斯拉设计的执行器和传感器，在不影响性能的前提下，重量减少了 10kg，行走速度提升了 30%。硬件方面的主要增量包括：1）颈部增加了两个自由度，脚部增加了六维力矩传感器，整体运动控制更加协调，可以完成 90 度深蹲；2）灵巧手部分增加了触觉传感器，共有 11 个自由度，可以抓取鸡蛋等物品。从特斯拉最新发布的人形机器人视频中可以看到大量传感器的应用，其中核心器件六维力传感器值得重点关注。

The car and truck wash refers to the industry that provides cleaning, washing, and detailing services for cars and trucks on a commercial scale. This market caters to both private vehicle owners and commercial fleet owners who require regular cleaning and maintenance of their vehicles. Car and truck wash services can include various types of cleaning methods, such as handwashing, automated washing, pressure washing, steam cleaning, and waxing, to ensure a thorough cleaning of the vehicles. These services are typically offered at car wash facilities, gas stations, auto dealerships, or mobile services that can be delivered directly to the customer's location.

Automotive retreaded tires, also known as remolded or reconditioned tires, are used tires that have undergone a process to replace the worn-out tread with a new layer of rubber. This process involves carefully removing the old tread from the tire casing, inspecting the casing for any damage or defects, and then applying a fresh layer of tread using specialized machinery.

An automotive camless engine is defined as an engine configuration wherein the poppet valves are operated using pneumatic, electrohydraulic, or electromagnetic actuator systems instead of conventional cams. The intake or exhaust valves are operated using this camless arrangement of the camshaft, which incorporates the use of springs or other means. This type of engine configuration has been recently developed by engine designers and developers for achieving optimum performance and fuel efficiency in addition to reduced carbon emissions.

2023 年，A 股市场经历了国内外经济预期的分化与波动，主要指数普遍调整，行业快速轮动，超额收益集中在产业景气边际改善或产业催化较多的 TMT、汽车、机械制造等科技成长板块，权益市场投资逻辑从自上而下转变至自下而上。截至 2023 年 12 月 31 日，A 股主要指数2023 年普遍调整，上证指数、创业板指分别下跌 3.7%和19.4%。行业上，TMT、汽车 为主导的科技成长板块表现居前，相对 Wind 全 A 取得明显超额收益，而房地产及地产链、消费板块的表现相对承压。

Automotive communication protocols are standardized sets of rules and conventions that facilitate communication between various electronic components and control systems within modern vehicles. These protocols enable different parts of a vehicle to exchange information and data, such as engine diagnostics, safety systems, and entertainment features.