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Koenigsegg Agera R smashes six Guinness world records: Video

Koenigsegg, our favorite hard-to-pronounce Swedish supercar manufacturer, got the word on Wednesday that its latest car has broken six world records. The Agera R, which uses a twin-turbocharged 5.0-liter V8 engine, sprinted from 0 to 300 kph (186.4 mph) in a Stephen Hawking-impressing 14.53 seconds. For us nonmetric types, the Agera R also went from 0 to 200 mph in 17.68 seconds; both runs were verified with a Racelogic VBox recorder.

Ownership costs of traditional versus alternative fuel vehicles

As gas prices remain high, and an increasing number of automakers roll out plug-in hybrid cars and full-electric vehicles, it's becoming easier to be tantalized with the idea of driving right past the gas station and simply "plugging in." The debate ensues when it comes to cost: These alternative fuel vehicles mean a larger outlay of cash at the onset, but the long-term fuel savings could make the purchase worthwhile. To help straighten out this numbers game, we use the Department of Energy's Vehicle Cost Calculator to compare alternative fuel vehicles with their gasoline-only counterparts. For each scenario, we assumed that our hypothetical owner was able to get the full $7,500 federal tax credit and a $2,500 state tax credit, such as is available in California.

Chrysler, Nissan postpone plans to share two vehicles

Chrysler LLC and Nissan Motor Co. have postponed plans to share a North American-built small car and a full-sized pickup until they can reduce costs. A third vehicle-sharing project, in which Chrysler will sell a version of Nissan's compact Versa sedan, will continue on schedule, the companies said late Thursday.