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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).

2023 BMW M2 revealed, BMW i4 and Mercedes-AMG SL 63 driven | Autoblog Podcast #751

In this episode of the Autoblog Podcast, Editor-in-Chief Greg Migliore is joined by Road Test Editor Zac Palmer. In this week's news, we discuss the Jaguar F-Type commemorative 75 model, the reveal of the 2023 BMW M2, as well as the Rivian recall and its repercussions. We talk about the cars we've been driving, including the Ford Mustang Ice White Edition, BMW i4, Mercedes-AMG SL 63 and Lexus RX 500h F-Sport. Send us your questions for the Mailbag and Spend My Money at: Podcast@Autoblog.com. Autoblog Podcast #751 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 Jaguar sends off the F-Type with commemorative 75 model 2023 BMW M2 revealed: Hot and heavy Rivian recalling nearly all 13,000 of its vehicles over steering hazard Cars we're driving 2022 Ford Mustang GT Ice White Edition 2022 BMW i4 2022 Mercedes-AMG SL 63 2023 Lexus RX 500h F-Sport 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:

Project Ugly Horse: Part VII

Devils, Details and Weight Reduction
There are many things I could call this exercise. A party is not one of them.
I've spent three days crammed in the axle well of this 1989 Mustang with nothing to keep me company beyond a trouble light, a DeWalt drill on the very last of its legs and billion razor sharp, red hot slivers of metal with an affinity for my most sensitive of regions. My joints are raw from crawling around on the concrete. I'm half deaf from the shriek of the spot weld cutter and the boom of the cold chisel and hammer.