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Autoblog Podcast #326

Easter Jeep Safari concepts, Shelby 1000, 2014 Cadillac CTS and Mercedes CLA45 AMG leaks
Episode #326 of the Autoblog Podcast is here, and this week, Dan Roth and Zach Bowman talk about this year's Easter Jeep Safari concepts, the 1,200-horsepower Shelby 1000 and leaked images of the 2014 Cadillac CTS and Mercedes-Benz CLA45 AMG. We wrap with your questions and emails, and for those of you who hung with us live on our UStream channel, thanks for taking the time. Keep reading for our Q&A module for you to scroll through and follow along, too. Thanks for listening!
Autoblog Podcast #326:

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.

Automakers' rush on aluminum may result in shortage

Aluminum is the new buzzword in the automotive industry. The latest Range Rover and Range Rover Sport both take advantage of the lightweight material to shave huge amounts of body fat (only it's called "aluminium" over there). Audi and Jaguar have been using the stuff for years in their A8 and XJ, respectively, and now, aluminum is going mainstream, arriving on the 2015 Ford F-150.
While we're excited to see aluminum make an impact outside the premium market, its widespread adoption apparently won't come without some problems, notably in terms of supply. "There isn't an automotive manufacturer that makes vehicles in North America that we're not talking to," Tom Boney, of Novelis, the largest global supplier of aluminum sheetmetal, told The Detroit News.
According to Boney, Ford's use of aluminum on such a large scale has forced auto manufacturers in "every boardroom" to reconsider their plans following the F-150's unveiling, for one simple reason: there's not exactly enough aluminum to go around, at least in the short term. The auto industry presently only accounts for six percent of the aluminum sheet produced, but as the material is adopted by more and more brands, that figure is expected to swell to 25 percent within the next six years.