Prius backlash
n.— «Hybrid owners say they feel like the victims of road rage. Carpoolers accuse them of driving too slowly in order to maximize their fuel efficiency, and of clogging diamond lanes that were once clear. Hybrid motorists even have a term for the ill will: “Prius backlash.”» —“In Carpool Lanes, Hybrids Find Cold Shoulders” by Amanda Covarrubias Los Angeles Times Apr. 10, 2006. (source: Double-Tongued Dictionary)