Is this the beginning of consumer s souring on the green-car concept, especially with recently cheaper gasoline? Is it just a problem with hybrids - a pioneering fuel-efficiency technology combing combustion and electric power that may seem old school today? Or is it simply a hot sector taking a breather? A* A* In Orange County, registrations of new hybrid and electric car models were essentially flat in the 12 months ended in March. That's compared to a 27 percent sales jump in the previous 12 months, according to the Orange County Automobile Dealers Association.