Ever mindful that year on year comparisons are now firmly with the post-credit crunch era, US light vehicle sales, adjusted for selling days, were up a healthy 15.1% to 695,707 units last month. In Detroit, Ford added to the we-didn't-need-a-bailout glow by trouncing its rivals with a 35.6% gain to 114,626. GM topped the domestic maker unit count at 146,343, up 23.6%, and Chrysler was off 0.9% to 56,479.