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Porsche 918 Spyder laps the 'Ring in 6:57

The stunning Porsche 918 Spyder was revealed at the Frankfurt motor show on Tuesday. The near million-dollar car has a price that's four and a half times higher than the Porsche 911 Turbo S. It was built to battle the new crop of supercars including the Ferrari LaFerrari and McLaren P1.

Official claims Fisker Karma to blame in Texas house fire

Last week, a fire badly damaged the home of a new Fisker Karma owner, and authorities are saying that the electric car was the source of the blaze. According to Fort Bend County, Texas, chief fire investigator Robert Baker, the Fisker Karma started the fire that spread to the house. “Yes, the Karma was the origin of the fire, but what exactly caused that we don't know at this time,” he said.

One Lap of the Web: Fake movie cars, Russian dash cams and 'Forza'

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- We all know most movie cars can be fake, but some are a step above the rest.