SwRI develops D-EGR demonstrator highlighting fuel-efficient, cost-effective engine; 10% and above fuel economy improvements
Green Car Congress
FEBRUARY 25, 2014
The conversion to D-EGR improved engine efficiency by at least 10% across the performance map, with some operating conditions seeing substantially higher improvements, as noted above. The compression ratio of the engine was increased to 11.7:1 1 to take advantage of the improved knock resistance from reformate and EGR.
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