Reducing the engine noise in cars to an environmentally-acceptable standard consists in layering or stacking heavy materials, such as asphalt, on the floor of the car to absorb the sound. But it is a ...

In some cases, the sounds our vehicles make are welcome, such as the roar of a big V8 or the sound of a turbo spinning away under the hood. Not all car-related noises are as entertaining, however, and ...

If you’ve been on the Earth for a couple of decades or more, or have just grown up riding around in some older metal, you’d know that cars can be incredibly noisy. If you’re unfamiliar, buy yourself a ...