Compression ignition basically is the term that is used for describing the manner in which diesel engines function. It happens when intake air—which often is combined with recirculating exhaust gas—is ...

You might have heard about high compression ratios, but what exactly are they, and what kind of effect do they have on an ...

Compression in a diesel engine is essential for effective and efficient performance. And when compression is lacking, damage can result. That is why it’s imperative to know whether your engine’s ...

Toyota makes some of the most durable trucks in the world—they’re so long-lasting, in fact, that they often go a full decade without major updates. That might change soon if an engine described in a ...

Diesel. To many American drivers the “D” word is something of a mystery. It’s associated with construction equipment, tractor trailers and hillbillies “rollin’ coal” in their modified pickups, spewing ...

Even if you don't plan on ever owning a car with a diesel engine, you may still want to know how they compare to gas engines ...

SAE Transactions, Vol. 96, Section 4: RECIPROCATING ENGINES–SPARK IGNITION AND DIESEL (1987), pp. 614-623 (10 pages) A single-cylinder, variable–compression ratio, direct–injection diesel engine was ...

As Mazda and Infiniti have proved, there's a lot of innovation left in the internal-combustion engine. One of the more wild concepts we've seen is called Reactivity Controlled Compression Ignition ...