US green-car sales rise 15 percent in May spurred by strong plug-in demand

This year’s steady jump in demand for hybrids and plug-ins, which continued into May, was once again lead by the domestic automakers. US green-car sales last month rose about 15 percent from a year earlier to almost 43,000 vehicles, while plug-in vehicle sales surged about 45 percent to almost 15,000 units.