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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 Mustang Convertible ships in time for holiday gift giving

Looking for the ultimate present to put under the tree for that special someone? Well it might not fit in your living room or in a stocking, but the keys to a new Mustang convertible ought to do the trick. That's right, Ford has begun shipping the new drop-top pony car just in time for the holidays. Taking delivery of a convertible might not make the most sense in some climates, but those in southern states will undoubtedly enjoy the top-down experience to ring in the new year. And for those stuck in snowier climes, Ford is keen to point out that the new Mustang convertible is available with features like heated seats, remote start and a snow/wet setting among the selectable drive modes. As with the coupe, the new Mustang convertible can be had with the base 3.7-liter V6, the optional 2.3-liter EcoBoost turbo four or the top-of-the-line 5.0-liter V8. For the time being, though, the 500+ horsepower Shelby GT350 is available only in coupe form. Related Video: Dec 9, 2014 | DEARBORN, Mich. 2015 Mustang Convertible Begins Shipping to Ford Dealers • Keys to the first 2015 Ford Mustang convertibles will be in customers' hands shortly • Available heated seats and remote start allow the all-new Mustang convertible to be enjoyed year-round, even in the coldest climates • Selectable drive modes with a snow/wet setting tunes Mustang to perform well in inclement weather conditions Ford Motor Company is excited to announce the 2015 Ford Mustang convertible will begin shipping to dealerships nationwide this week. "Cold weather may have come unseasonably early this year, but with available heated seats, remote start and selectable drive modes with a snow/wet setting, Mustang is the perfect offering for the season," said Melanie Banker, Mustang brand manager. Heated seats, standard on all premium Mustang convertibles, allow the driver and front passenger to stay warm even when the temperature drops. "While these seats also have a cooling feature, we suspect customers won't be using this function for a few more months," said Banker. Remote start, standard on all automatic-transmission Mustang models, allows customers to fire up their drop-top from the comfort of their home, even in inclement weather conditions. When remote start is used, Mustang not only warms up its engine, it also warms the interior of the car to a comfortable temperature.

NHTSA upgrades Ford floor mat unintended acceleration probe

According to a Bloomberg report, the National Highway Traffic Safety Administration has upgraded an investigation into complaints of unintended acceleration lodged against Ford vehicles. The investigation began in June of 2010 when just three complaints had been received and it only concerned the Ford Fusion and Mercury Milan, but this was at a time when the phrase "unintended acceleration" made grown men go pale. With 49 additional complaints received since then, the investigation has been reclassified as an engineering analysis - the last phase before a recall - and it has been expanded to include the Lincoln MKZ, making for a total of "around 480,000" units affected between the three sedans from the 2008 to 2010 model years.
The ostensible cause is that floor mats are trapping the accelerator pedal, but according to a Ford statement at the time, the entrapment is due to owners placing the optional all-weather floor mats, or aftermarket floor mats, on top of the car's standard floor mats. NHTSA has backed up that assessment, pinning the blame on "unsecured or double stacked floor mats."
On the face of it, it would appear that NHTSA has upgraded the status not because of Ford's error, but owner error, and Ford has stated publicly that it is "disappointed" in NHTSA's move. On top of NHTSA still being skittish after that other unintended acceleration debacle, it could be seen to be taking its time investigating all of the variables: it's reported that Ford changed its accelerator pedal design in 2010, a "heel blocker" in the floorpan has been considered a potential culprit in how the floor mats could be trapping the pedal, some drivers have said the floor mats weren't anywhere near the pedal, and according to a report in the LA Times, in "a letter sent by Ford to NHTSA in August 2010, the automaker said it found three injuries and one fatality that 'may have resulted from the alleged defect.'"