A green-car market blossoms in Mexico

When does a gasoline shortage, with lines around the block and closed service stations, feel like a lucky break?

When you’re an automaker trying to sell hybrids and electric vehicles to a curious but skeptical public.

Automakers haven’t had that kind of luck in the U.S. for more than a decade. But in Mexico, recent fuel shortages — combined with rising prices for imported gasoline and smog alerts that ban cars from the road unless they have green credentials — are spurring interest in their growing lineups of alternative-fuel vehicles.