法规速查Regulation Navigator
从正在处理的运输事项出发，阅读法规解读，查找原文与官方来源。Start with the trucking task at hand, read an explanation and find the regulation and official sources.
你正在办理哪件事？What are you working on?
从工作中遇到的事情开始，了解相关要求、常见误会和处理方法。Start with a work situation to understand the requirements, common mistakes and next steps.
排放与检测Emissions & testing
先确认具体车辆和使用场景，再进入检测、车队或怠速规则的官方入口。不同项目的登记和记录不能互相替代。Identify the specific vehicle and use before opening the official source for testing, fleet, or idling rules. Registration and records for one program do not replace another.
加州怠速与驾驶室供电California idling and cab power
加州重型柴油车停车供电时，主发动机怠速与其他供电设备适用的要求有所不同。以司机停车等待为例，五分钟的一般限制还须结合设备条件和具体例外理解。When parking a heavy diesel truck in California, distinguish the propulsion engine from other power equipment before checking restrictions. A waiting-at-a-stop example shows why “five minutes” is not the whole rule or a substitute for its conditions.
冷机 TRU 环保要求Transport refrigeration unit emissions requirements
冷藏运输中的柴油冷机有独立环保要求，牵引车的检测结果不能说明冷机是否合规。临时换挂冷藏拖车时，应向设备提供方索取机组资料，并查阅 CARB 项目信息。Refrigerated transport requires checks beyond the tractor: the diesel refrigeration unit has its own emissions program. A last-minute trailer swap illustrates which official program records to check before accepting the equipment.
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