U.S. Clean Diesel Auto Sales Increase 41% in August 2013, Hybrid Sales Jump 38%

WASHINGTON, Sept. 11, 2013 /PRNewswire-USNewswire/ -- August was a robust month for passenger vehicle sales in the United States and clean diesel and hybrid cars were no exception, with diesels showing a 41.8 percent increase compared to August 2012 and hybrids experiencing a 38.1...