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  2. Hours of service - Wikipedia

    en.wikipedia.org/wiki/Hours_of_service

    The most notable change of 2003 was the introduction of the "34-hour restart." Before the change, drivers could only gain more weekly driving hours with the passing of each day (which reduced their 70-hour total by the number of hours driven on the earliest day of the weekly cycle).

  3. Federal Motor Carrier Safety Administration - Wikipedia

    en.wikipedia.org/wiki/Federal_Motor_Carrier...

    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.

  4. NASCAR rules and regulations - Wikipedia

    en.wikipedia.org/wiki/NASCAR_rules_and_regulations

    The National Association for Stock Car Auto Racing ( NASCAR) makes and enforces numerous rules and regulations that transcend all racing series. NASCAR issues a different rule book for each racing series; however, rule books are published exclusively for NASCAR members and are not made available to the public. [1]

  5. 2023 24 Hours of Le Mans - Wikipedia

    en.wikipedia.org/wiki/2023_24_Hours_of_Le_Mans

    Circuit de la Sarthe track map The race-winning No. 51 Ferrari 499P. The 91st 24 Hours of Le Mans (French: 91 e 24 Heures du Mans), also known as the Centenary 24 Hours of Le Mans (French: Centenaire des 24 Heures du Mans), was an automobile endurance race for teams of three drivers each racing Prototype and Grand Touring cars held from 10 to 11 June 2023 at the Circuit de la Sarthe, near Le ...

  6. Cardiopulmonary resuscitation - Wikipedia

    en.wikipedia.org/wiki/Cardiopulmonary_resuscitation

    It is recommended for those who are unresponsive with no breathing or abnormal breathing, for example, agonal respirations. [1] CPR involves chest compressions for adults between 5 cm (2.0 in) and 6 cm (2.4 in) deep and at a rate of at least 100 to 120 per minute. [2] The rescuer may also provide artificial ventilation by either exhaling air ...

  7. Daylight saving time - Wikipedia

    en.wikipedia.org/wiki/Daylight_saving_time

    Daylight saving time. Daylight saving time ( DST ), also referred to as daylight saving (s), daylight savings time, daylight time (United States and Canada), or summer time ( United Kingdom, European Union, and others), is the practice of advancing clocks to make better use of the longer daylight available during summer, so that darkness falls ...

  8. Hour record - Wikipedia

    en.wikipedia.org/wiki/Hour_record

    The last women's hour record before the unified rule change was set on 1 October 2003 by Leontien van Moorsel, with a distance of 46.065 km (28.623 mi). In December 2014, it was announced that British Paralympian Sarah Storey would be the first woman to attempt the record following the unified rule change.

  9. Formula One regulations - Wikipedia

    en.wikipedia.org/wiki/Formula_One_regulations

    An F1 car can be no more than 200 cm wide and 95 cm tall. [1] Though there is no maximum length, other rules set indirect limits on these dimensions, and nearly every aspect of the car carries size regulations; consequently the various cars tend to be very close to the same size. The car and driver must together weigh at least 798 kg as of 2023 .