Digist
美国联邦汽车运输安全管理局因柴油供应趋紧，临时豁免跨州汽油和柴油运输的驾驶时间限制至12月中旬。
FMCSA waives hours-of-service limits for fuel haulers through mid-December as diesel supplies tighten
Exemption applies to interstate gasoline and diesel transport only; specific supply disruption triggers unclear.