It is a technology that melds a diesel engine's high efficiency and massive torque with a gasoline engine's low emissions and smooth running. And it could be the next big evolution of the internal ...

For example, an HCCI engine uses 15% less fuel than gas engines and emit only 30% of the NOx of a typical diesel engine. The big problem with HCCI engines is that they are very sensitive to ...

If the engine is too hot, engine knock and unpredictable timing is present; if it's too cold, ignition problems ensue. So, Mazda looked to the past and found a solution: use a spark plug.

Finding Source of Oil Leak, Are Octane Ratings Real?, Bearing Problem on Honda Civic, HCCI Engine, Another Bogus 'Gas Saver': Mike Allen's Weekly Online Auto Clinic Published: Sep 30, 2009 8:00 PM EDT ...

The engine would combine the efficiency of a diesel engine with the power and low emissions of a gasoline unit.

Well, at this year's Hyundai powertrain-tech shindig, I got an update from powertrain honcho John Juriga as to just whatever happened to GDCI. He explained that under compression-ignition ...

A homogeneous charge compression ignition engine is a gasoline engine without a traditional spark ignition to initiate combustion. How HCCI engines work | Automotive News Skip to main content ...

The EVIC is a computer controlled internal combustion engine, utilizing a cam less solenoid actuated valve system.In addition to intake and exhaust valve control, the processor also handles ...

Mercedes-Benz introduces the DiesOtto – German for HCCI. By [email protected]. Jul 25, 2007 12:03 PM EDT Start the Conversation Start the Conversation ...

Mazda's new Homogeneous Charge Compression Ignition (HCCI) engine, however, is a cross between the two. It compresses the air and fuel together so hard that, most of the time, the spark plug is ...