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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).

Lincoln Continental to end after one-and-done generation?

After only 18 months on sale, the vultures of rumor have begun circling above the Lincoln Continental. Ford Authority says "sources intricately familiar with Ford Motor Company's future product plans" for the domestic luxury brand say the Continental won't get another chance at life after this generation. Those sources didn't detail Ford's reasons for dispatching the executioner on another sad task, but if this is true, even the reasons we can only guess make enough sense to justify the move. The Continental launched into a crossover mania still mushrooming in strength like some Marvel villain, the equivalent of a new dinosaur hatching a few months before the Chicxulub Impact Event. In 18 months, the Continental sold 18,846 units, 12,012 of those sales happening in 2017. In the U.S. this year, sales amounted to 1,573 units through February, about 25 percent down on the annualized monthly rate. It could be worse: The Lexus GS has found 1,009 U.S. buyers so far this year, the Acura RLX, 285. Conversely, the Cadillac XTS — yes, a fleet darling — secured 3,163 sales in the same period. And the German kingpins live in another dimension, with BMW scooting 5,641 5 Series models off dealer lots, and the Mercedes E-Class boasting 8,411 sales of all three variants. Even the much more expensive and much more profitable Lincoln Navigator rang up 2,351 sales in the first 60 days of 2018. That's disheartening reading, especially after Ford reportedly spent more than $1 billion to bring the Continental to market. Sedan segment woes look to have killed the Continental's platform siblings, too, making the Lincoln's demise simply part of the cull. The CD4 architecture also underpins the Ford Fusion and Lincoln MKZ. Ford canceled the Fusion redesign and won't commit to making either vehicle after 2020. Lincoln's passenger car sales declined more than 30 percent last month; meanwhile, Lincoln needs to spend its money on the crossovers that are selling, and investment in the coming three-row Aviator that will replace the MKT. Ford has a CD6 platform in development that suits front-, rear-, and all-wheel-drive vehicles. Under previous CEO Mark Fields, a new Fusion, Mustang, and MKZ would ride on the CD6, as well as the new Explorer and a Lincoln brother. Those plans left with the previous administration, and company sources told both Ford Authority and The Truth About Cars not to expect a Continental revival on that architecture. Related Video:

NHTSA closes Ford F-150 EcoBoost acceleration probe

Typically when we report on the findings of an investigation from the National Highway Traffic Safety Administration, it's because the government body has discovered a safety issue and prescribed a recall. In this case, however, NHTSA has closed an investigation into a reported performance deficit without ever getting to the recall stage.
The issue revolves around the Ford F-150 - specifically those equipped with the 3.5-liter EcoBoost engine - of which some 360,000 were built in the 2011, 2012 and 2013 model years. After receiving an initial 95 complaints, NHTSA opened an investigation last May - almost a year ago - into the reported issue of reduced engine power under hard acceleration. The agency has since received a total of 525 such complaints, and Ford itself reported receiving over 4,000.
Together, NHTSA and Ford determined that the problem resulted from cylinders misfiring, an issue itself stemming from water getting into the charge air cooler (CAC) mated to the turbochargers. In particularly humid or rainy conditions, water was found to get into the CAC, causing some of the cylinders to misfire, which in turn triggered the ECU to disable those cylinders in order to protect the catalytic converter from damage.