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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).

How Ford secretly used customers to test its aluminum F-150 [w/video]

Automakers getting clever about disguising development vehicles isn't anything new. Between mules wearing the sheetmetal of other cars and prototypes decked out in as much camouflage as is practical, automakers know how to make it very difficult for the general public to get an exact idea of what kind of vehicle is in development. Ford, though, is rapidly becoming the master.
We knew that the Blue Oval originally tested the durability of the aluminum construction being used for the 2015 F-150 by building an all-aluminum 2014 truck and entering it in the Baja 1000 off-road race. That's no longer a secret. What we didn't know, though, is that the aluminum development dates back to before even that, and that some of the people in question had no idea what it was they were working with.
Ford says this is the first time prototypes have ever been handed over to the public.

How the 2015 Ford Mustang will save your knees

The 2015 Mustang is one of the most hotly anticipated vehicles of the moment, and Ford continues to leak out interesting little details about its newest pony car. The latest info doesn't have anything to do with its quarter-mile time or handling, but if any of that goes drastically wrong, the innovative new glovebox-mounted airbag may prevent passengers from knee injuries.
All variants of the 2015 Mustang get the active knee airbag as standard, and it's the first vehicle in Ford's lineup to receive the system. The setup is actually quite simple and ingenious. The glovebox is made from a plastic outer panel that is attached to the inner door. Sandwiched between them is this new injection-molded plastic bladder that folds flat when in use. If the passenger-side airbag deploys, the system springs into action to act as a cushion for your knees. Compared to a traditional knee airbag that has to fully inflate, this arrangement is 65 percent lighter and can use a 75 percent smaller inflator. It's also basically invisible when you look at the glovebox door.
Ford spokesperson Ed Saenz declined to tell Autoblog whether the system will appear in other vehicles in the Blue Oval's lineup but said, "We're considering other applications." Provided it's effective, the approach seems too simple not to make its way to other products. Scroll down to watch a video showing how the glovebox-mounted knee airbag works.