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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 F-150 Raptor R, Kia Telluride and SEMA highlights | Autoblog Podcast #754

In this episode of the Autoblog Podcast, Editor-in-Chief Greg Migliore is joined by Senior Editor, Green, John Beltz Snyder and Associate Editor Byron Hurd. Byron has been sending the 2023 Ford F-150 Raptor R on the sand dunes of Lake Michigan. John has been off-roading in the updated 2023 Kia Telluride. Greg has been spending time in the Toyota Tacoma TRD Pro, Chevy Traverse High Country and Volvo V60 Cross Country. Next, they talk about the news, include SEMA highlights and the reveal of the 2023 Ford Transit Trail. Finally, they reach into the mailbag and discuss the Cadillac Celestiq's design. Send us your questions for the Mailbag and Spend My Money at: Podcast@Autoblog.com. Autoblog Podcast #754 Get The Podcast Apple Podcasts – Subscribe to the Autoblog Podcast in iTunes Spotify – Subscribe to the Autoblog Podcast on Spotify RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Rundown Cars we're driving Ford F-150 Raptor R Kia Telluride Toyota Tacoma Chevy Traverse High Country Volvo V60 Cross Country 2023 SEMA Show highlights 2023 Ford Transit Trail revealed Mailbag: Cadillac Celestiq Feedback Email – Podcast@Autoblog.com Review the show on Apple Podcasts Autoblog is now live on your smart speakers and voice assistants with the audio Autoblog Daily Digest. Say “Hey Google, play the news from Autoblog” or "Alexa, open Autoblog" to get your favorite car website in audio form every day. A narrator will take you through the biggest stories or break down one of our comprehensive test drives. Related video:

Yearly auto recall record demolished in 6 months

With nearly 40 million vehicles under repair campaigns and counting, 2014 will almost certainly go down as the year of the automotive recall. At just past the halfway mark, we are already at record levels, and there aren't any signs that the epidemic is slowing. General Motors' latest 8.4 million vehicle recall in the US puts the industry over the top for the title of the most cars with fixes pending from automakers ever. That's a prize no one ever wants to receive. According to TheDetroitBureau.com, the US recall total has hit 39.85-million vehicles to surpass the previous record of 33.01 million in 2004. Perhaps more surprising, with over 26 million repairs pending, it's still quite possibly that GM could recall more vehicles by the end of the year than the 27.96-million unit total of the entire US auto industry last year. With over 40 campaigns under its belt in 2014, the roughly one million cars it would take would hardly come as a surprise at this point, especially with increased government scrutiny into the Detroit automaker's processes. The pace of recalls started off relatively normal this year, with just a smattering of campaigns. The most surprising early on was Aston Martin calling in about 75 percent of its output since 2007 due to counterfeit plastic, but with just a few thousand cars, it was relatively tiny in pure numbers. GM really kicked things off soon after, but we didn't know it at the time. It issued its first bulletin for 778,000 Cobalt compacts in early February. Things only ballooned from there as more models were added to its growing ignition switch problem. The onslaught of announcements from every major automaker hasn't abated since then. Some industry executives are trying to put a positive spin on the situation. "With what's transpired (in recent months), there's a higher level of scrutiny," said Joe Hinrichs, Ford president of the Americas, to TheDetroitBureau.com. He believes that automakers are looking at data much more thoroughly than before, and it means better customer safety. Still, many consumers probably wish these problems had been found before their car went on sale.