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Lightweighting is a concept in the auto industry about building cars and trucks that are less heavy as a way to achieve better fuel efficiency, battery range, acceleration, braking and handling. [ 1 ] [ 2 ] In addition, lighter vehicles can tow and haul larger loads because the engine is not carrying unnecessary weight. [ 3 ]
Autobesity, also known as car bloat and truck bloat, is the trend, beginning in about the 1990s, [3] of cars increasing in average size and weight. [4] [5] The average weight of cars sold in Europe increased by 21% between 2001 and 2022. [6] In the United States, SUVs and pickup trucks comprised more than 75% of new sales in 2024 compared to 38 ...
The average car weight in 2022 was 4,094 pounds, according to a report from the Environmental Protection Agency. However, what is considered a normal weight will depend on the type of vehicle you ...
It frequently has a larger pipe than the rest of the exhaust system. This produces a final reduction in pressure and is sometimes used to enhance the car's appearance. In the late 1950s, in the United States, manufacturers had a fashion in car styling to form the rear bumper with a hole at each end through which the exhaust would pass.
A hemispherical head ("hemi-head") gives an efficient combustion chamber with minimal heat loss to the head, and allows for two large valves.However, a hemi-head usually allows no more than two valves per cylinder due to the difficulty in arranging the valve gear for four valves at diverging angles, and these large valves are necessarily heavier than those in a multi-valve engine of similar ...
With the lofty price of cars, their maintenance and their fuel, many drivers are looking for ways to cut down on their vehicle spending, starting with insurance. Check Out: 10 Affordable Compact ...
The terms "active" and "passive" are simple but important terms in the world of automotive safety. "Active safety" is used to refer to technology assisting in the prevention of a crash and "passive safety" to components of the vehicle (primarily airbags, seatbelts and the physical structure of the vehicle) that help to protect occupants during a crash.
The unsprung mass (colloquially unsprung weight) of a vehicle is the mass of the suspension, wheels or tracks (as applicable), and other components directly connected to them. This contrasts with the sprung mass (or weight) supported by the suspension, which includes the body and other components within or attached to it.