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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 recalls over 500,000 trucks and SUVs, including Explorer, F-150, and Lincoln Aviator

For the second time in a month, Ford is recalling the brand-new 2020 Explorer and 2020 Lincoln Aviator for minor safety issues. This recall, which also affects certain 2018-2020 Ford F-150s, 2019-2020 Ford F-Series Super Duty trucks, 2018-2019 Ford Explorers, and 2019-2020 Ford Expeditions, pertains to potentially faulty seat-back reclining mechanisms. In total, the recall touches 550,186 vehicles. A mechanical part meant for relaxation and comfort has the Ford Motor Company stressin'. Ford says potentially affected vehicles might be missing the "third pawl required for seat-back strength" in the reclining mechanisms on certain seats. Because of this, the seats might not properly keep a person in place during the event of a crash or otherwise.  In the F-150s, F-Series Super Duty trucks, 2018-2019 Explorers, and Expeditions, the recall affects vehicles with manual driver and/or front passenger seat-back recliners. On the 2020 Explorers and Lincoln Aviators, rear outboard seats with manual recliners are of concern. Of the more than 550,000 vehicles, 483,325 vehicles are in the United States, 58,712 are in Canada and 8,149 are in Mexico. Thus far, Ford is not aware of any injuries from the issues. Ford says it expects most vehicles will not need repair, but dealers will inspect the seat structures out of precaution. If fault is found, dealers will replace the seat structure altogether. For this recall, Ford's reference number is 19C07. Contact your dealer for more information. Featured Gallery 2020 Ford Explorer View 47 Photos Recalls Ford Lincoln Truck SUV

NHTSA investigating 725k Ford, Mercury vehicles for stalling issue

Owners of Ford Escape, Mercury Mariner, Ford Fusion and Mercury Milan models, listen up. According to a report on Automotive News, the National Highway Traffic Safety Administration has opened an investigation into these four vehicles totaling an estimated 725,000 units. The investigation appears to center around a malfunctioning throttle body on non-hybrid models of the 2005-2012 Escape and 2011-2012 Fusion. With Mercury dying off after the 2011 model year, this probe will also apply to the 2005 through 2011 Mariner and the 2011 Milan. There has been some discussion around the Escape stalling issue for some time now, but this investigation appears to be larger in scope than before.
Though not a recall yet, NHTSA's Office of Defects Investigation (ODI) has received 123 complaints of stalling or surging vehicles, while Ford itself has logged 1,472 complaints. The investigation report, which is posted below, seems to indicate that a faulty circuit board for the throttle body could cause the vehicle to go into limp mode, which, according to NHTSA, could cause complaints of both stalling and surging.