April 3, 2013 8:58 am Auto Sales Booming Thanks in part to low interest rates and an improving economy, new car and truck sales recently hit their highest level in almost six years: nearly 1.5 million vehicles were sold last month. NBC’s Chris Clackum reports. US & World Videos 1:07 Britney Spears spotted as authorities respond to alleged hotel incident 2:15 Prince William and Kate Middleton ‘going through hell,' friend claims (report) 8:01 Lady Gaga's outfit changes, Rihanna's bold looks and more iconic Met Gala moments 1:59 TikTok's Maddy Baloy dead at 26: Gordon Ramsay and Tay Lautner pay tribute 3:04 Progress being made on demolition of overpass on I-95 in Norwalk