Mazda's new engine boosts fuel efficiency by 30%

Exclusive: Mazda's new engine boosts fuel efficiency by 30%- Nikkei Asian Review
"This will be the first practical application of the technology, called homogeneous charge compression ignition. Though the automaker is developing environmentally friendly electric vehicles, Mazda thinks the internal combustion engine will continue to account for the majority of new-vehicle sales for the foreseeable future and that the company's technology will give it a leg up on the competition.

Mazda plans to incorporate the new engine in 2018 in the new Mazda3, dubbed Axela in Japan, which will undergo its first overhaul in five years. The engine then will be adopted gradually by other models."

A HCCI engine runs on gasoline, but ignites the fuel in the same way as a diesel engine. Several companies have been working on its development for years, but this is the first one announced for sale. The article states it reduces emissions, but I expect it will have higher particle amounts than a port injected engine since it is direct injected.

No info on technical details.

The article ends with Mazda looking to have a BEV by 2019 and PHEV by 2021.