An attempt to minimize personal injuries during accidents.
Seat belts restrain the main part of your body, but in the event of a crash your head, arms and legs carry on moving due to the momentum of the car. An airbag will cushion your head and cars are designed to protect lower limbs by using padding on dashboards and underneath dashboards. Nothing protects your arms, though some cars now have side airbags.
Five
To soften the blow in the event of a collision.
Increase the time of impact in a collision.
it looks like engine turned metal like on dashboards of old cars.
This may not be true for all makes of cars, but some basic dashboards are made using the process of injection molding in which the entire dashboard is molded in one piece. The lights, radio, glove compartment, etc. are added at the factory producing the vehicle.
They are safer because a person hitting the dashboard has a padding.
In many of the larger GM cars like the Bonneville, the battery is located under the back seat cushion. Need to take out the seat cushion and you will see it mounted in the middle...
The same material as your car or mine.
Ford and Lincoln have tried it but quit because of bladder failure and the high cost of repair.
you can use electric cars instead of regular cars that use gas.
Venice, Italy has canals instead of roads, so they use boats instead of cars.