Efforts by automakers to increase fuel efficiency and reduce carbon emissions have intensified in recent years as emission rules have tightened and the effects of climate change are better analyzed.

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 operating ...

Infiniti has unveiled the world’s first variable compression ratio engine which many auto pundits suggest is one of the most advanced internal combustion engines ever conceived. Displacing 2.0-liters ...

For more than a decade, automotive engineers and researchers have been struggling to come to grips with a way to build an engine that runs on gasoline while harnessing the efficiency and torque ...