The heart of most vehicles today, the internal combustion engine has advanced significantly over its century long history. This series outlines some of the key innovations in engine technology before ...

You'd think that 150 years would be long enough to solve a problem, but no such luck. Since the first four-stroke internal combustion engine rolled out the gate in the late 1800s, engineers have been ...

You'd think that 150 years would be long enough to solve a problem, but no such luck. Since the first four-stroke internal combustion engine rolled out the gate in the late 1800s, engineers have been ...

The hunt for efficient engine valve technology can be a never-ending journey into cam timing, various combustion cycles, and lift and duration adjustments. For that reason, some companies believe ...

Engines are complex bits of machinery. At their core level, yes, it's easy to understand what is happening. Air and fuel enter the engine where they are ignited and combustion occurs resulting in ...