About Occupational driving - Wikipedia:

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Work-related roadway crashes are the leading cause of death from traumatic injuries in the U.S.
They accounted for nearly 12,000 deaths between 1992 and 2000.
Deaths and injuries from these roadway crashes result in increased costs to employers and lost productivity in addition to their toll in human suffering.5 Truck drivers tend to endure higher fatality rates than workers in other occupations, but concerns about motor vehicle safety in the workplace are not limited to those surrounding the operation of large trucks.
Workers outside the motor carrier industry routinely operate company-owned vehicles for deliveries, sales and repair calls, client visits etc.

In these instances, the employer providing the vehicle generally plays a major role in setting safety, maintenance, and training policy.5 As in non-occupational driving, young drivers are especially at risk.

In the workplace, 45% of all fatal injuries to workers under age 18 between 1992 and 2000 in the United States resulted from transportation incidentsŹródło: https://en.wikipedia.org/wiki/Automobile_safety

On its bottom, the sump contains an oil intake

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On its bottom, the sump contains an oil intake covered by a mesh filter which is connected to an oil pump then to an oil filter outside the crankcase, from there it is diverted to the crankshaft main bearings and valve train.
The crankcase contains at least one oil gallery (a conduit inside a crankcase wall) to which oil is introduced from the oil filter. The main bearings contain a groove through all or half its circumference; the oil enters to these grooves from channels connected to the oil gallery.
The crankshaft has drillings which take oil from these grooves and deliver it to the big end bearings.
All big end bearings are lubricated this way.

A single main bearing may provide oil for 0, 1 or 2 big end bearings.

A similar system may be used to lubricate the piston, its gudgeon pin and the small end of its connecting rod; in this system, the connecting rod big end has a groove around the crankshaft and a drilling connected to the groove which distributes oil from there to the bottom of the piston and from then to the cylinder. Other systems are also used to lubricate the cylinder and piston.

The connecting rod may have a nozzle to throw an oil jet to the cylinder and bottom of the piston.

That nozzle is in movement relative to the cylinder it lubricates, but always pointed towards it or the corresponding piston. Typically a forced lubrication systems have a lubricant flow higher than what is required to lubricate satisfactorily, in order to assist with cooling. Specifically, the lubricant system helps to move heat from the hot engine parts to the cooling liquid (in water-cooled engines) or fins (in air-cooled engines) which then transfer it to the environment.

The lubricant must be designed to be chemically stable and maintain suitable viscosities within the temperature range it encounters in the engine.Źródło: https://en.wikipedia.org/wiki/Internal_combustion_engine

Cars belonging to the young people

With police statistics and scientific studies it shows that young people are the most common cause accidents on the roads.

Too high speed, the desire to impress colleagues or colleagues and little experience in managing vehicle are the main causes of dangerous incidents on the road.

It is not surprising that insurers often make the amount of insurance premiums was the age of the holder of the vehicle and the number of road events with his participation.
Young people, often breaching the rules of the road are in fact for insurers customers not profitable and that is why they use this kind of preventive measures, such as increasing fees for insurance with every accident..

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