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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).

Shelby GT500 laps N"urburgring in under 7:40?

A couple of weeks ago we brought you footage and official times of the new Chevy Camaro Z/28 lapping the Nürburgring. With a 7:37.47 lap time, the Z/28 emerged as the fastest muscle car ever to lap the circuit. But what was missing from that picture was how fast the king of all Mustangs, the Shelby GT500, could manage to lap the Nordschleife.
Ford never released any information or footage of the GT500 on the Nürburgring that we were aware of - that is, until the guys at SVTPerformance.com put in a request for Mustang videos. Among the clips they received was never-seen, in-car footage of the Shelby GT500 lapping the circuit. And boy did it hustle.
Although not quite official, the video seems to show the GT500 lapped the venerated German track in a touch under 7:40. That would make it a tick or two faster than the Camaro ZL1 - but what of the Z/28? By Chevy's quoted time, the Z/28 is still faster than the GT500, but SVTPerformance suggests GM may have fudged the numbers a bit and scrubbed half a second or so off their lap time.

The 11 best scenes from the 2015 Goodwood Festival of Speed

Over the last three days, the Goodwood Estate has played home to the eponymous Festival of Speed. Thrown by the biggest gearhead in the British aristocracy – Charles Gordon-Lennox, the Earl of March and Kinrara – the Festival of Speed is essentially a tremendous, gasoline-fuelled party, complete with a very large lawn sculpture, that features the world's hottest, weirdest, fastest, and loudest race, production, and historic models. While there are quite literally dozens and dozens of videos from the event – not to mention the full-day replays (of which only day one is available, at present) – we've sifted through them to pluck away the very best. There's stuff from the official Goodwood YouTube channel, as well as several videos from automakers and other third-party channels, and it's all available below. 2015 Ford Mustang GT350R Looks Barely Controllable If you thought the highest-performance Ford Mustang would somehow get more tractable or civilized once it moved to an independent rear suspension, this video shows you have nothing to worry about. Watch as an unnamed driver wrestles the new Shelby GT350R and its flat-plane, 5.2-liter V8 up the hillclimb circuit. Even with the new suspension and sticky tires, this Mustang wants to go any direction but straight, especially following its launch. 2016 Ford Focus RS, Is Very Loud, Blue Ken Block makes his first appearance on our list. Before he steps into his Hoonicorn Mustang, though, the Gymkhana expert tackled the hill in the all-new Focus RS. The vicious bellow of the 2.3-liter, turbocharged four-cylinder is the star of this commentary-free video, although the gorgeous Nitrous Blue paint job is a nice accompaniment, as well. 1965 Ford Mustang Hoonicorn Runs Hill, Nearly Kills Lord March Mr. Block's two runs behind the wheel of the Hoonicorn were, unsurprisingly, very eventful. While one attempt goes off without a hitch, seeing the American rally driver slip and slide his way to the top of the hill while taking a short break for a donut, the other is slightly more dramatic. Block, along with Lord March in the passenger seat, carries a bit too aggressive an angle into a turn and nearly puts the NASCAR-powered Mustang into the hay bales. Check out the first video above, and the second one below. Kimi Raikkonen Makes Us Miss F1's V8 Era The latest Formula One cars have been maligned for the lackluster noise produced by the new 1.6-liter, turbocharged V6.