Researchers at #KAUST, #SaudiAramco evaluating low-octane fuels for gasoline compression ignition engines
Researchers at KAUST, Saudi Aramco evaluating low-octane fuels for gasoline compression ignition engines 27 November 2017 Gasoline compression ignition (GCI) is an experimental engine technology that could consume 25% less energy than a conventional automobile engine. (Earlier post .) GCI uses a gasoline-type fuel, but rather than ignited with a spark, it is compression-ignited like diesel. GCI engines operate at higher compression ratios than conventional gasiline engines, thus improving overall thermal eﬃciency. GCI could therefore be a best-of-both-worlds engine technology: combining the fuel efficiency of diesel engines with the low NOx and soot-particle emissions of gasoline. Other studies have shown that GCI engines can operate with fuels with low octane numbers in the range of 50-70. The ability to use low-octane fuels would eliminate the need for the refinery catal...