In this case, "crossing the streams" isn't just a witty Ghostbusters reference. In just about every vee-arranged engine ever created, there are two exhaust manifolds, one for each side of the vee.

The V8 is famous for that low, gravelly rumble it has, announcing its presence to all the lesser engines nearby as soon as the ignition hits. In most versions of the engine – such as those found in ...

Venus Aerospace just took one giant leap toward hypersonic travel. The Houston-based startup successfully completed the first U.S. flight test of an exotic new type of engine, capable of enabling ...