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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 Bronco, Bronco Sport, sub-Ranger pickup and GM EVs | Autoblog Podcast #618

In this week's Autoblog Podcast, Editor-in-Chief Greg Migliore is joined by Senior Editor, Green, John Beltz Snyder and Road Test Editor Zac Palmer. Top of the list this week are the leaked photos of the 2021 Ford Bronco and Bronco Sport. Then they talk about the possibility of a small Ford pickup based on the Focus, as well as all the electric vehicles Snyder saw in person at GM's "EV Day." The editors have been driving the Ram Power Wagon and Hyundai Sonata, and Palmer took Autoblog's long-term Subaru Forester to New Orleans. Finally, they help a listener choose a small luxury crossover in this week's "Spend My Money" segment. then, just as they're about to wrap up the show, they learn that the 2020 New York Auto Show has been postponed due to the coronavirus outbreak. Good times. Autoblog Podcast #618 Get The Podcast iTunes – Subscribe to the Autoblog Podcast in iTunes RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Rundown 2021 Ford Bronco and Bronco Sport leaked photos (and, just as we predicted, more photos) Ford shows its dealers the sub-Ranger pickup More details about everything we saw at GM's "EV Day" Driving the 2020 Ram 2500 Power Wagon Driving the 2020 Hyundai Sonata Driving our long-term 2019 Subaru Outback to New Orleans Spend My Money: Audi Q3, Volvo XC40 or Range Rover Evoque? 2020 New York International Auto Show postponed Feedback Email – Podcast@Autoblog.com Review the show on iTunes Related Video:

China's auto sales continue to drop

The days of unending growth of carmakers in China look to be over, and some analysts are even forecasting a net drop in volume this year, The Detroit News reports. After falling numbers in June and July, the China Association of Automobile Manufacturers tallied total sales, including trucks and buses, in August to 1.7 million, down 3 percent from 2014. There were some tiny specs of good news in China, but there's no turnaround in sight. Total vehicle sales from January to August are actually still up but only 2.6 percent. Like the rest of the world, SUVs are booming with numbers up 45.6 percent from the previous year. Honda managed a very impressive 50.7 percent gain on the strength of the CR-V and Vezel (the HR-V here), according to The Detroit News. Also, the country's domestic automakers, which generally offer less expensive products, posted a 2.5 percent growth in sales. The news continues to look bad for Detroit's automakers, though. Volume from General Motors dropped 4.8 percent in August, and Ford fell 3 percent in August. Both of them have invested significant amounts there in the past years. The vehicle industry in China grew last year, but there was burgeoning evidence of weakness. At the end of 2014, dealers there pushed back against huge inventories pushed by automakers. Even before the big drops began in June, GM saw the writing on the wall and started cutting prices. BMW responded to the slump by cutting back production to deal with the changing demand. News Source: The Detroit NewsImage Credit: Mark Schiefelbein / AP Photo BMW Ford GM Honda Car Buying