2019 Mazda 3 to feature world-first HCCI engine for efficiency: report

2017 Mazda MAZDA3It's a technology that's been a sort of Holy Grail in the auto industry for at least a couple of decades. Now Mazda, one of the smallest global automakers, plans to introduce it in a radical new engine to be used in a future Mazda vehicle in 2019. It's called homogeneous charge compression ignition, or HCCI: in essence it lets a gasoline engine...