Can an internal combustion engine really run on gunpowder? The short answer is yes ... but there are lots of reasons why it's ...

When you decide to build a homemade, liquid-propane-powered pulse jet engine in your garage, a few noise complaints are to be ...

A truck owner decides his already ridiculous homemade exhaust system still is not extreme enough, so he builds an enormous setup using long sections of aluminum flex tubing running from the engine all ...

Cheap horsepower has become harder to find, but the junkyard still offers an alternative to spending five figures on a crate ...

For those who live and die by the bow-tie badge or three-letter script on the front of their trucks, this is a momentous occasion. General Motors has finally revealed the specifications of its ...

Add Yahoo as a preferred source to see more of our stories on Google. Revving engines and noisy mufflers could be cracked down on in Charlotte. Right now, cameras that can measure the sounds of cars ...

CHARLOTTE — Revving engines and noisy mufflers could be cracked down on in Charlotte. Right now, cameras that can measure the sounds of cars are not allowed by state law. State law allows non-audio ...

Bob Overlock, left, and son Travis Veilleux outside Bob's Small Engine in Bucksport a few days shy of the business' 50th anniversary. "The town's been good to me," Overlock said. Credit: Elizabeth ...

A few years ago, the idea of using hundreds of small engines to power gigawatts of data-center capacity would have seemed ridiculous. Not so today. More hyperscalers are seeking to hook their data ...

Compressor noise caused by pulsations and vibrations within HVAC systems is common, and remediation steps can lessen it. One accessory that can be added to a refrigeration system is a discharge line ...

Automotive engines in small, single-prop aircraft aren't anything new. Aviation enthusiast and small aircraft owners have been swapping LS V8s into planes for years. Some of them are DIY projects, ...

Displacing 6.7 liters, GM's new small-block V-8 makes 535 horsepower and 520 pound-feet of torque, the highest output of any Chevy Corvette base engine. Dubbed the LS6, it features a lofty 13.0:1 ...