Homeland Security aims to combine its face and fingerprint systems into one big biometric platform—after dismantling centralized privacy reviews and key limits on face recognition. The agency is ...

The K20 could have been one of Honda’s greatest technological achievements, but it was destined to power humble, front-wheel-drive commuter cars. Honda’s K20A engine was engineered for high ...

At present, General Motors’ U.S.-market portfolio offers a rather limited number of six-cylinder options. But that hasn’t always been the case – in fact, the change has really only been felt over the ...

Camshafts are simple devices, but important ones. Modern engines can have one or more intake and exhaust valves, and it's the camshaft's job to open valves precisely as the engine runs, supplying the ...

Oh, your Gen-III Hemi has two spark plugs per cylinder? Cool, cool, but let's up the ante, shall we? Oh, yes, three spark plugs per cylinder, now we're talking! Three-plug engines are to two-plug ...

Although turbocharging has long been part of the automotive industry, and adding boost to an engine has always been popular among race car builders and enthusiasts, the degree to which modern cars ...

Take a closer look at a vintage single-cylinder engine block, showcasing classic design, solid construction, and old-school engineering principles that stood the test of time. #VintageEngine ...

The five-cylinder engine is uncommon relative to the ubiquitous four-cylinder, six-cylinder, or eight-cylinder variants. As an odd-number engine, it certainly is in a class of just three such engines.

Motorcycle engines come in all shapes and sizes. Single-cylinder thumpers, parallel twins, inline-threes, high-revving fours, burly V4s and V-twins, even the occasional flat-eight. But one layout ...