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Mazda announces SKYACTIV-X: gasoline Spark Controlled Compression Ignition

Green Car Congress

Compression ignition combined with a supercharger will improve fuel economy while delivering tremendous engine response and increased torque of 10–30% over the current SKYACTIV-G gasoline engine. It intends to achieve this with a policy prioritizing efficiency improvements and measures for cleaner emissions that apply in the real world.

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2019 Nissan Altima features VC-Turbo variable compression ratio engine, AWD, ProPILOT Assist

Green Car Congress

liter V6 engine is the world’s first production-ready variable compression turbo inline 4-cylinder ( earlier post )—which generates the performance of some V6 gasoline engines but with 4-cylinder level fuel economy. The multi-link components are manufactured in high-carbon steel alloy. In terms of fuel economy, the new 2.0-liter

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