Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

2014 Jeep Cherokee delayed?

Chrysler Group late today took the unusual step of postponing a planned media drive of the 2014 Jeep Cherokee scheduled for early next month but vowed that "vehicles will still be in showrooms in September." The media event -- in which waves of national and foreign journalists were to gather in Seattle between Aug. 8 and 14 to drive the Cherokee for the first time -- was delayed until at least the first half of September, according to an email from the automaker. "Over the last couple of weeks during final quality and durability testing, we have discovered the opportunity to further improve powertrain calibration" in the Cherokee, the company said.

RM auction in Monaco rakes in $45.1 million

Call it the Feast of Ferrari. Led by a stunning lineup of rare and classic automobiles wearing the Prancing Horse, sales at the RM auction in Monaco on May 1 totaled more than $45.1 million. The highest seller at the event was a 1962 Ferrari 400 Superamerica Cabriolet Pininfarina AWB, which sold for $3.8 million, a record for Superamericas, RM said.

Porsche Cayenne S hybrid: More techs and specs released

Porsche is serving up a few more details on the Cayenne S hybrid, which is expected to arrive in 2010. It should be green--and mean to the tune of 385 hp and 545 lb-ft of torque. And carbon-dioxide emissions are expected to be reduced by 20 percent over a comparable combustion engine.