The New Jersey bill on mufflers doesn't lay out measures or metrics to determine when a car's noise is unusual or excessive.

Industrial silencers and mufflers absorb and attenuate noise levels from machinery and other sources for environmental amelioration and regulatory compliance. They use several basic designs.

Noise Attenuation: Noise reduction or attenuation, measured in deciBels. Silencers and mufflers typically have performance curves across the audible frequency range; for simplicity, the number given ...

NASA researchers developed a Quiet Space Fan to reduce the noise inside crewed spacecraft, sharing the results with industry ...

Here’s what you need to know about mufflers, noise control and more for Pennsylvania cars and trucks. Do Pennsylvania vehicles need a muffler? Yes. Under Pennsylvania law, every ...

The home economics club at Brooklyn Dreams Charter school in Kensington threw its first fundraiser over the weekend, ...

Thunder Beach is one of the best-known motorcycle rallies in the country. People from all over started showing up last ...

KRS 189.140 also prohibits modifying the exhaust system of a motor vehicle or an off-highway vehicle “in a manner which will amplify or increase the noise emitted by the motor of such a vehicle above ...

A proposed law moving through the New Jersey Legislature looks to increase penalties for noisy mufflers and exhaust systems ...

Game and Fish said while the wildfires did displace wildlife, fortunately, they didn’t impact populations too much.

A free museum near Route 66 celebrates America’s fiberglass giants and the nostalgia that draws people to them.

Auto parts and accessories retailer O’Reilly Automotive (NASDAQ:ORLY) missed Wall Street’s revenue expectations in Q3 CY2024 ...