feathering
n.— «Hybrids are most efficient when the brakes are used on and off—there’s even a driving technique called “feathering” that helps maximize your mileage while driving one—so if you do long stretches of freeway driving, again, you might not want a hybrid, especially since regular cars generally offer more power and greater torque.» —“Alternative Vehicle Trends as Gas Prices Rise” by Melissa Bartell InvestorIdeas.com May 8, 2007. (source: Double-Tongued Dictionary)