Mazda Skyactiv 2 Engines to Feature HCCI Tech, Debut by 2020 by CLittle | Jan 6, 2014 | News Mazda Skyactiv 2 Engines to Feature HCCI Tech, Debut by 2020 Though Mazda’s Skyactiv drivetrains have significantly improved efficiency across its lineup, the automaker is already investigating the technology’s future. Though …read more Share this:FacebookTwitterPinterest