27 Dec '13, 11am

NASA Glenn develops automated flywheel pulse-and-glide system; improving fuel economy up to 40-100%

NASA Glenn develops automated flywheel pulse-and-glide system; improving fuel economy up to 40-100% 27 December 2013 Innovators at NASA’s Glenn Research Center have developed an automated pulse-and-glide technique using a flywheel energy storage system for on-road vehicles; the technology, which NASA Glenn says can improve fuel economy over existing internal combustion or battery hybrid systems by 40-100%, is available for licensing. Drivers can use a manual “pulse-and-glide” (PnG) driving technique—accelerating and decelerating an automobile in cycles of approximately 10-30 seconds—as a way to improve fuel economy. A 2009 SAE paper by a team from Virginia Tech and Argonne National Laboratory found that a simulated PnG driving strategy in a Ford Focus delivered 33-77% fuel economy improvement depending on different speed ranges and acceleration times. The fuel economy resu...

Full article: http://www.greencarcongress.com/2013/12/20131227-glenn.html

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