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Hours of service (HOS) regulations are issued by the Federal Motor Carrier Safety Administration (FMCSA) and govern the working hours of anyone operating a commercial motor vehicle (CMV) in the United States. These regulations apply to truck drivers, commercial and intercity bus drivers, and school bus drivers who operate CMVs.
The final rule required truck drivers who use the "34-hour restart" provision to maximize their weekly work hours to limit the restart to once a week and to include in the restart period at least two nights off duty from 1:00 to 5:00 a.m., when one's 24-hour body clock supposedly needs and benefits from sleep the most.
Two sets, or tiers, of emission standards for light-duty vehicles in the United States were defined as a result of the Clean Air Act Amendments of 1990. The Tier I standard was adopted in 1991 and was phased in from 1994 to 1997. Tier II standards were phased in from 2004 to 2009. Within the Tier II ranking, there is a subranking ranging from ...
The Insurance Institute for Highway Safety and National Transportation Safety Board Chair Jennifer Homendy are concerned about the additional weight from EVs causing more severe crashes. "Our ...
Title 49 is the principal set of rules and regulations (sometimes called administrative law) issued by the Departments of Transportation and Homeland Security, federal agencies of the United States regarding transportation and transportation-related security. This title is available in digital and printed form, and can be referenced online ...
August 30, 2024 at 7:39 PM. (Reuters) - The California Department of Motor Vehicles on Friday issued draft regulations on the operation of autonomous vehicles on highways, paving the way for self ...
TSA proposes phased enforcement of stricter ID law for travelers. The Transportation Security Administration said it's ready to begin enforcing the REAL ID requirement on May 7, 2025. However, the ...
The California Statewide Truck and Bus Rule was initially adopted in December 2008 by the California Air Resources Board (CARB) and requires all heavy-duty diesel trucks and buses that operate in California to retrofit or replace engines in order to reduce diesel emissions. [1] All privately and federally owned diesel-fueled trucks and buses ...