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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).

2015 Ford Expedition

While the tide of bigger-is-better SUVs has been in recession since, well, the recession, fullsize utes are still very much with us. Conservative creatures that have been loathe to evolve, fullsize SUVs nonetheless remain enduringly popular among large families, livery customers, and anyone with lots of friends, relatives, and toys to tug around. With respect to Toyota and Nissan, the only players that really matter in the segment are the new-for-2015 Chevrolet Tahoe/Suburban, the GMC Yukon/Yukon XL, and this truck: the Ford Expedition, the latest evolution of which we just drove for the first time at a press preview in West Virginia.
Unlike the General Motors utilities, the standard Expedition and the long-wheelbase Expedition EL are not all-new, but rather are heavily refreshed versions of the same basic truck Ford started selling way back in 2007. The front fascia is where most of the exterior update happens for 2015, with a new three-bar grille design, halogen projector headlamps, and new bumper design with available LED foglamps. Despite all the new bits, the facelift breaks exactly zero ground in terms of design; in fact, it already looks dated, and will only look older once the macho 2015 F-150 bows later this year. Even less has changed out back, where the tailgate gets a wide chrome band spanning the taillamps and a new chrome exhaust tip. Other exterior changes are generally limited to colors and an all-new wheel lineup that includes a gleaming set of six-spoke 22-inch polished wheels on high-end models.
Speaking of high-end models, a new Platinum trim is positioned above the cowboy-spec King Ranch model for 2015. Both the Platinum and King Ranch get their own color combos and exterior trim finishes (satin metal for the Platinum, chrome everywhere and ginormous badges for the King Ranch) and posh, leather-lined interiors with their own aesthetic. The Expedition family also now includes a price-leading XL model, as well as XLT and Limited grades.

Autoblog Minute: Krafcik CEO of Google autonomous vehicle division

We look at how Google's hiring of automotive executing John Krafcik could affect the future of autonomous vehicles. Autoblog's Mylencia Gillenwaters reports on this edition of Autoblog Minute. Show full video transcript text [00:00:00] We look at how Google's hiring of automotive executing John Krafcik could affect the future of autonomous vehicles. I'm Mylencia Gillenwaters and this is your Autoblog Minute. Krafcik, a veteran of the auto industry, arrives at Google after serving as CEO of Hyundai and TrueCar. For more on what the Krafcik hire could mean to the industry, we go to Autoblog's Pete Bigelow: [00:00:30] [Pete Bigelow Interview] Google has [00:01:00] an outspoken champion for autonomous driving, in Krafcik who isn't shy about taking to social media to share his thoughts. Krafcik and Google seem poised to move self-driving cars into the next phase of development and it will be interesting to follow along as the tech giant [00:01:30] attempts to change the way we get around. For Autoblog, I'm Mylencia Gillenwaters. Autoblog Minute is a short-form video news series reporting on all things automotive. Each segment offers a quick and clear picture of what's happening in the automotive industry from the perspective of Autoblog's expert editorial staff, auto executives, and industry professionals. Ford Hyundai Autonomous Vehicles Autoblog Minute Videos Original Video john krafcik google autonomous vehicles