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 ...

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 ...

But scientists in China have developed a clever solution using the mathematics of nature—fractal geometry—to make car audio ...

Ask about green cars and most buyers think only of gas mileage. But there are other ways to make vehicles greener, including the use of renewable materials to replace petroleum-derived synthetic ...