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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).

The big dune jump and the damage done

The Silver Lake sand dunes see their fair share of well-built trophy trucks executing impressive jumps. Drivers build insane pieces of machinery for the express purpose of sailing through the air like mad men and women.
Mike Higgins is no stranger to the area. His heavily modified Ford trophy truck has gone flying through the sky on more than one occasion, but he recently bit off more than he could chew. After hitting a particularly lofty dune, Higgins went airborne for a ridiculous 180 feet before becoming intimately familiar with the finer points of gravity.
While Higgins nailed the jump, his landing fell short of wowing the judges. The impact very nearly broke his truck in two. Despite the mechanical mayhem, the driver walked away without a scratch, proving that occasionally miracles really do happen. You can check out the jump and the subsequent destruction below for yourself. Be warned: there's a fair bit of foul language.

Ford Mustang GT350 drops some camo

Now that we've poured over the 2015 Ford Mustang in its standard form, it's time to look ahead. We already knew (and heard - literally) that Ford was working on a higher-performance version of its 'Stang to replace the Shelby GT500, and earlier reports have stated that it will simply be called the GT350.
We don't have a ton of detail to go on, but this latest set of spy photos clearly shows a hood-mounted air scoop, which suggests a forced-induction powerplant is under the hood. However, this disagrees with earlier reports that the GT350 will be all motor, using a naturally aspirated engine to send massive horsepower to the rear wheels. Our spies also point out the functional vent aft of the front wheels to allow for better airflow, and the massive quad exhaust pipes can be seen, clear as day.
Expect to see the Mustang GT350 in April, when it debuts at the New York Auto Show in conjunction with the Pony's 50th anniversary. In the meantime, have a look at our gallery above to see the latest shots of the hot Mustang out testing.