Mazda is pushing the boundaries of internal combustion engine (ICE) technology with its innovative Skyactiv engine family. The Skyactiv-X, featuring Spark Controlled Compression Ignition (SPCCI), achieves remarkable fuel efficiency and reduced emissions by combining high compression ratios with lean-burn strategies. [IMAGE_5] The upcoming Skyactiv-Z represents the next evolutionary step, designed to meet stringent emissions standards through advanced hybridization and waste heat recovery. Mazda envisions these engines not only as efficient powertrains but also as potential air purifiers, capable of carbon-negative operation. This strategy offers a sustainable path for ICE vehicles, potentially extending their relevance in the automotive landscape.