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Aluminum lightweighting does, in fact, save fuel

When the best-selling US truck sheds the equivalent weight of three football fullbacks by shifting to aluminum, folks start paying attention. Oak Ridge National Laboratory took a closer look at whether the reduced fuel consumption from a lighter aluminum body makes up for the fact that producing aluminum is far more energy intensive than steel. And the results of the study are pretty encouraging. In a nutshell, the energy needed to produce a vehicle's raw materials accounts for about 10 percent of a typical vehicle's carbon footprint during its total lifecycle, and that number is up from six percent because of advancements in fuel economy (fuel use is down to about 68 percent of total emissions from about 75 percent). Still, even with that higher material-extraction share, the fuel-efficiency gains from aluminum compared to steel will offset the additional vehicle-extraction energy in just 12,000 miles of driving, according to the study. That means that, from an environmental standpoint, aluminum vehicles are playing with the house's money after just one year on the road. Aluminum-sheet construction got topical real quickly earlier this year when Ford said the 2015 F-150 pickup truck would go to a 93-percent aluminum body construction. In addition to aluminum being less corrosive than steel, that change caused the F-150 to shed 700 pounds from its curb weight. And it looks like the Explorer and Expedition SUVs may go on an aluminum diet next. Take a look at SAE International's synopsis of the Oak Ridge Lab's study below. Life Cycle Energy and Environmental Assessment of Aluminum-Intensive Vehicle Design Advanced lightweight materials are increasingly being incorporated into new vehicle designs by automakers to enhance performance and assist in complying with increasing requirements of corporate average fuel economy standards. To assess the primary energy and carbon dioxide equivalent (CO2e) implications of vehicle designs utilizing these materials, this study examines the potential life cycle impacts of two lightweight material alternative vehicle designs, i.e., steel and aluminum of a typical passenger vehicle operated today in North America. LCA for three common alternative lightweight vehicle designs are evaluated: current production ("Baseline"), an advanced high strength steel and aluminum design ("LWSV"), and an aluminum-intensive design (AIV).

Ford F-100 'Snakebit' shown off by Gene Simmons and Shannon Tweed at SEMA

Ford, along with KISS bassist Gene Simmons and his wife, Shannon Tweed, used SEMA as a backdrop to pull the covers off Snakebit, a 1956 Ford F-100 pickup truck that's been updated with Shelby Mustang-derived styling bits and a 5.4-liter supercharged V8 engine. All 550 horsepower are funneled through a six-speed manual gearbox to the rear wheels.
Underneath the custom bodywork sits a chassis that's been stretched five inches and a bed widened and bedecked with billet machined pieces that are supposed to look like wood. The 20-inch rear and 18-inch front wheels ape those of past Shelby Mustang models. The interior is swathed in two-tone leather with a bench seat designed to look - try to act surprised - like a Shelby Mustang.
Like what you see? Bidding for the truck will take place in 2014 at an unspecified Barrett-Jackson event (we'd assume Scottsdale). Proceeds will be used to help build a children's hospital in Saskatoon, in the province of Saskatchewan, where Ms. Tweed grew up. See the high-res gallery above and the press release down below for more.

Preserving automotive history costs big bucks

$1.8 million is spent each year to maintain GM's fleet of 600 production and concept cars.
When at least two of the Detroit Three were on the verge of death a few years back, one of the tough questions that was asked of Ford, General Motors and Chrysler execs - outside of why execs were still taking private planes to meetings - was why each company maintained huge archives of old production and concept vehicles. GM, for example, had an 1,100-vehicle collection when talk of a federal bailout began.