Episode 521 - Heavy-Truck Sales Up, Merging Late Improves Traffic Flow, Fiat May Sell Ferrari Stake

Summary: Sales of medium- and heavy-duty trucks were up 5.2 percent in October compared to last year. A new study says merging late into construction zone lanes can actually increase traffic flow. Fiat may sell part of its ownership in Ferrari before increasing its stake in Chrysler. All that and more, plus a sneak peak of this week's LA Auto Show.