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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 F-150 [w/videos]

To learn more about the all-new 2015 F-150 and get an early read on its potential hero-or-zero status, we flew to the heart of full-size pickup truck country, San Antonio, TX, to spend a day driving, towing and playing in the mud with an assortment of Ford's innovative new trucks.
First, a caveat - while we feel we have a reasonably good handle on the new F-150 after attending this first-drive event, we are far from ready to pass definitive judgment on the success of this radically new rig. Our time in the various models was lamentably limited and we felt rushed. With so much at stake and with so much to talk about and experience, we had zero alone time with the vehicle - there were Ford folks shadowing us at every moment.
And we still don't know everything there is to know about the trucks, as Ford is withholding some of its most crucial numbers, including curb weight data and anticipated EPA fuel economy figures. We don't even have a firm on-sale date. All of this information is typically disclosed - or at least officially estimated - at the time of a new vehicle's first drive. This limits the scope of the judgments we feel comfortable making based on our first encounter.

A hybrid and electric Corvette, plus we drive the Ioniq 5 | Autoblog Podcast #728

In this episode of the Autoblog Podcast, Editor-in-Chief Greg Migliore is joined by Road Test Editor Zac Palmer. Zac drove the electric 2022 Hyundai Ioniq 5, and Greg drove the fire-breathing 2022 Maserati Levante Trofeo. The two dive deep into the relatively heavy news week by starting off with a discussion about the upcoming hybrid Corvette before chatting about what the electric Corvette might be like. They have a chat about the possibility of Porsche and Audi officially joining the Formula 1 field. Then, Greg and Zac get into some quick-hitting news to round out the segment by dissecting the updated Kia Soul (now without a turbo), the 30th Anniversary Edition Land Rover Defender and the new CEO at Aston Martin. Following the news and drive reviews, they rope in Senior Editor, Green John Beltz Snyder to give them a quick download of what went down at the first drive for the 2022 Ford F-150 Lightning. Finally, they reach into the mailbag and answer some questions from someone who is less than pleased about infotainment systems in some new cars. And lastly, the gang hears back from someone they helped out in a prior Spend My Money segment on the podcast. Send us your questions for the Mailbag and Spend My Money at: Podcast@Autoblog.com. Autoblog Podcast #728 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 News The hybrid AWD Corvette and the electric Corvette Audi and Porsche to enter Formula 1 Land Rover Defender 30th Anniversary model 2023 Kia Soul refresh A new CEO at Aston Martin Cars we're driving 2022 Maserati Levante Trofeo 2022 Hyundai Ioniq 5 Dispatch from the 2022 Ford F-150 Lightning first drive in Texas Mailbag: A discussion about complicated infotainment systems Also, trading a Model 3 for an Escape PHEV? 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.