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Hyundai returns to spark-compression engines with $5 million grant

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said Monday it has won a grant worth $4.95 million from the U.S. Department of Energy to support research and development for an advanced, mixed-mode gasoline spark-compression engine, meaning the Korean automaker appears to be back at it in its quest to develop a fuel-efficient, low-emissions gasoline compression engine that can catch the likes of




says the three-year grant will leverage existing work with advanced valve train and previous DOE-funded technologies. Hyundai previously was working on its own


— short for homogeneous charge compression ignition — project,

developing a Gasoline Direct-Injection Compression engine

with help from Delphi that used supercharging and turbocharging, a high compression ratio and fully variable valve train. But it has never come to fruition,

reportedly due

in large part to added costs.

Hyundai in December said it

plans to release 38 environmentally friendly vehicles

along with its affiliate


, and using a variety of technologies, by 2025. Hyundai alone will account for 18 of them. The aim is to use the spark-compression engines for conventional gasoline-powered vehicles,

plug-in hybrids


mild hybrids


“The opportunity to explore mixed-mode engine technology through the DOE’s grant signifies Hyundai’s commitment to advanced research technology and compression engines,” John Juriga, director of powertrain technologies at Hyundai America’s Technical Center near Ann Arbor, Mich., said in a statement. “The co-operative research project along with Michigan Technological University and Phillips 66 signifies the importance in developing fuel and engine innovations that work together for optimal vehicle performance and leading

fuel economy


Mazda’s Skyactiv-X compression-ignition engine

uses Spark Controlled Compression Ignition

to achieve diesel-like gains in fuel economy — about 20 to 30 percent higher than its current gasoline engines — and lower emissions from regular gasoline. It’s said to debut in late 2019.

Related Video:

from Autoblog