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GM's HCCI engines now run from idle to 60 mph!
Since our first encounter with General Motors' HCCI (homogeneous charge compression ignition) engines in August 2007, the powertrain research engineers at the GM Tech Center in Warren, MI have continued plugging away at the technology, trying to turn it into a marketable reality. The basic premise of compression ignition is simple. Based on the Ideal gas law (PV=nRT), if you decrease the volume of a particular quantity of air, the temperature rises to the point where fuel will spontaneously combust. The hard part is controlling the pressure, ... Read more →
GM HCCI engine can operate at idle Sam Abuelsamid
General Motors first showed off its prototype Homogeneous Charge Compression Ignition (HCCI) engines last summer in an Opel Vectra and a Saturn Aura. We had the opportunity to drive these vehicles at ...
VIDEO: GM's Paul Najt talks about HCCI engines Sam Abuelsamid
Last summer we had the chance to meet up with GM powertrain researcher Paul Najt and drive GM's prototype HCCI engines. Homegeneous charge compression ignition engines basically take some of the ...
Most promising green technologies number six: HCCI Jeremy Korzeniewski
Click on the image to view high-res shots of the Mercedes F700 concept Homogeneous Charge Compression Ignition, or HCCI, holds out a great deal of hope for green automotive enthusiasts. Mercedes-Benz ...
ABG Tech analysis and driving impression: GM's HCCI Engine Sam Abuelsamid
Click on the HCCI equipped Opel Vectra for a high-res gallery At the General Motors Proving Ground in Milford, MI on Friday, the company provided their first public presentation of HCCI engines. Most ...
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GM's HCCI engines now run from idle to 60 mph! 5 months ago on Autoblog Green
Since our first encounter with General Motors' HCCI (homogeneous charge compression ignition) engines in August 2007, the powertrain research engineers at the GM Tech Center in Warren, MI have continued plugging away at the technology, trying to turn it into a marketable reality. The basic premise ...
GM HCCI engine can operate at idle 1 year ago on Autoblog Green
General Motors first showed off its prototype Homogeneous Charge Compression Ignition (HCCI) engines last summer in an Opel Vectra and a Saturn Aura. We had the opportunity to drive these vehicles at GM's Milford Proving Ground at a very early stage of development. Because HCCI only works at part ...
VIDEO: GM's Paul Najt talks about HCCI engines 1 year ago on Autoblog Green
Last summer we had the chance to meet up with GM powertrain researcher Paul Najt and drive GM's prototype HCCI engines. Homegeneous charge compression ignition engines basically take some of the technical concepts behind diesel engines and combine it with a gasoline engine. The result is a new ...
Most promising green technologies number six: HCCI 1 year ago on Autoblog Green
Click on the image to view high-res shots of the Mercedes F700 concept Homogeneous Charge Compression Ignition, or HCCI, holds out a great deal of hope for green automotive enthusiasts. Mercedes-Benz has shown concept vehicles using the technology, which they refer to as DiesOtto, in their F700 ...
ABG Tech analysis and driving impression: GM's HCCI Engine 2 years ago on Autoblog Green
Click on the HCCI equipped Opel Vectra for a high-res gallery At the General Motors Proving Ground in Milford, MI on Friday, the company provided their first public presentation of HCCI engines. Most of the major automakers, in addition to researchers at universities around the world have been ...
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