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Nuclear-powered concept cars from the Atomic Age

In the 1950s and early 60s, the dawn of nuclear power was supposed to lead to a limitless consumer culture, a world of flying cars and autonomous kitchens all powered by clean energy. In Europe, it offered the then-limping continent a cheap, inexhaustible supply of power after years of rationing and infrastructure damage brought on by two World Wars.
The development of nuclear-powered submarines and ships during the 1940s and 50s led car designers to begin conceptualizing atomic vehicles. Fueled by a consistent reaction, these cars would theoretically produce no harmful byproducts and rarely need to refuel. Combining these vehicles with the new interstate system presented amazing potential for American mobility.
But the fantasy soon faded. There were just too many problems with the realities of nuclear power. For starters, the powerplant would be too small to attain a reaction unless the car contained weapons-grade atomic materials. Doing so would mean every fender-bender could result in a minor nuclear holocaust. Additionally, many of the designers assumed a lightweight shielding material or even forcefields would eventually be invented (they still haven't) to protect passengers from harmful radiation. Analyses of the atomic car concept at the time determined that a 50-ton lead barrier would be necessary to prevent exposure.

Ford Focus PHEV on the way?

A refreshed Ford Focus is in the works and that means a few details are leaking out. Spy shots from last month indicated the Focus will have a gaping grille just like its "One Ford" global C-segment comrade, the Fiesta. While Ford is being quiet about it, the Focus could also be getting an "Energi" option, joining the C-Max Energi and Fusion Energi in Ford's plug-in hybrid family. The Focus will likely use technology originated in the C-Max Energi that combines a 2.0-liter gasoline engine with an electric motor capable of a 20-mile range, according to Autoexpress. The pure electric Focus is expected to stay in the lineup despite its slow sales; its price range should be similar to what's on the market now. The third-generation Focus looked good enough to become the top-selling nameplate in the world in 2012. Some exterior changes to look for in the Euro-spec model at the Geneva Motor Show in March include a reshaped hood, front wing endplate and rear bumper. Interior spy shots have hinted at an updated dashboard design and a simplified, less cluttered control panel with updated climate controls. Under the hood, there are quite a few power options rumored to be available - a gasoline EcoBoost with up to 123 horsepower and two turbo-diesel TDCI options, a 1.6-liter or 2.0-liter mills that would produce between 94 hp and 161 hp. Then there are new 1.5-liter diesel and 1.5-liter EcoBoost gasoline variants that meet regulations in China, Brazil and Russia.

Watch these Australian Ford and Holden muscle cars duke it out

Australia's Motoring has put together a little video on two of the great performance vehicles available down under - the Holden VF Commodore HSV GTS and the Ford Falcon FPV GT R-Spec. And while both FPV and the Falcon might be on their way out, there's still plenty of time for a little head-to-head comparison between the two.
The cars aren't all that well evenly matched, though. The Ford boasts a 5.0-liter, supercharged V8, which the Aussies measure out at 449 horsepower and 420 pound-feet of torque. The HSV, though, with its Corvette-derived, 6.2-liter, supercharged V8 is just too powerful - 576 hp and 545 lb-ft of torque.
Predictably, it doesn't end too well for the Ford. As the guys from Motoring point out, the new VF Commodore is just too new and too good, with its extra power and its adaptive dampers (GM's excellent MagnaRide). Interestingly, Motoring did point out that the Holden's electric steering is better than the Ford's hydraulic steering, which is a lot like a Porsche purist saying they prefer water-cooled engines to air cooled.