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Chrysler's new problem is a shortage of vehicles

A two-month factory shutdown and the cash-for-clunkers government rebates accomplished a feat that had eluded Chrysler Group: It turned several slow-selling vehicles into scarce commodities. At the end of July, Chrysler had only a seven days' supply of Jeep Patriots, or 2,200 units, in dealer stocks. Sixty days is considered normal.

Mercedes-Benz OKs the CLS wagon

Mercedes-Benz will launch a wagon version of the second-generation CLS sedan as a rival to the recently introduced BMW 5-series GT and the upcoming Audi A7. The new four-door--presaged by the German carmaker's 2008 Concept Fascination two-door shooting brake revealed at that year's Paris motor show--is among a throng of niche-market models under consideration by Mercedes boss Dieter Zetsche. "We're seeking to improve our returns by better utilization of existing platforms," a high-ranking Mercedes source told AutoWeek.

Chevrolet Spark EV tops EPA's fuel-economy rankings for 2014

The 2014 Chevrolet Spark EV has been named the most fuel-efficient vehicle by the EPA and the Department of Energy in a new ranking for 2014. The Spark EV returns a combined 119 mpg equivalent, achieving 128 mpg in the city and 109 mpg on the highway. Chevrolet's pure-electric hatch displaced last year's chart topper, the Scion 2013 iQ EV, with its 121 mpg equivalent rating, but the Scion is not offered for the 2014 model year, so it didn't make the list for the U.S.