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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).

Sunday Drive: Big debuts from the Big Apple dominated the headlines

New York Auto Show week has come and gone, and, not surprisingly, the week's biggest bits of news came from the halls of the Jacob K. Javits Convention Center in NYC. Our favorite debut from New York was the Lincoln Aviator, a sharp-dresses crossover that looks lovely inside and out, and sits on underpinnings at least partly derived from the Ford Mustang. While the Aviator may have caught our attention, it wasn't the most popular vehicle debut from New York, at least when judging by the number of page views here on Autoblog. That distinction goes to the 2019 Toyota RAV4, and we're hardly surprised. The RAV4 is the most popular compact crossover in America (in fact it's the most popular vehicle that isn't a pickup truck), and the 2019 version looks like a radical departure from the model that came before. We can't wait to drive the thing. Midsize sedans may not be the darling of the family car set, that honor taken over by the aforementioned crossover, but they still sell in large enough numbers that a brand-new model catches our attention. Such is the case with the 2019 Nissan Altima. We broke down the specs of the Altima and compared Nissan's bread-and-butter sedan with its biggest rivals. And finally, we got some official figures for the 2019 Ford Mustang Bullitt. It'll cost a cool $12,000 over the cost of a Mustang GT, and will benefit from a 480-horsepower, 420-pound-foot version of Ford's excellent 5.0-liter V8 engine. As always, stay tuned this week for all the latest automotive news that's fit to print. 2018 New York Auto Show Mega Photo Gallery | Start spreading the news 2019 Toyota RAV4 actually looks pretty cool 2019 Nissan Altima vs Honda Accord vs Toyota Camry: How they compare 2019 Mustang Bullitt orders open as Ford reveals price and horsepower Image Credit: Drew Angerer/Getty New York Auto Show Ford Lincoln Nissan Toyota Coupe Crossover SUV Sedan 2018 new york auto show

The 11 most expensive American cars ever

Here's a Pro Tip for all you would-be classic car investors out there: buy Ferraris. With the Pebble Beach festivities kicking off this week, including any number high end car auctions, we thought it would be entertaining to compile a list of some to the most expensive cars ever sold with the bang of a gavel. Trouble is, once you get past the splendor of everyone's favorite Italian sports car maker, that list is pretty boring.
Ferrari dominates the all-time auction sales list; seven of the top ten most expensive cars sold wear the Cavallino Rampante badge, as well as more than half of the top fifty. Sure, a nearly $30-million Mercedes-Benz W196 racecar might be the new top dog as of last year, but it's even possible that Ferrari could take that title back in Monterey this weekend. Long story short: we think a list of the most expensive American cars ever sold at auction is a lot more entertaining to read. Hell, our list has a friggin' Batmobile on it, how can it go wrong?
Follow on below for the top ten cars that are red, white, blue and a whole lot of green.