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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 Mustang specs revealed, GT to pack 435 HP

The 2015 Ford Mustang sounds great so far - at least on paper. Ford has just announced specs for the latest version of the iconic pony car in Dearborn, telling Autoblog that it will pump out as much as 435 horsepower and 400 pound-feet of torque from its 5.0-liter V8.
Those gaudy figures power the naturally aspirated GT model, and they easily eclipse the "more than" 420 hp and 390 lb-ft that Ford originally estimated.
The 2.3-liter turbocharged EcoBoost four-cylinder makes 310 hp and 320 lb-ft, and it's the first turbo Mustang since the 1986 SVO.

2013 Shelby 1000 unleashes its 1,200 horsepower ahead of NY show reveal

True story: Last fall, I had the opportunity to spend a week with Ford's new 2013 Shelby GT500 - the Blue Oval's factory Mustang with 662 horsepower and 631 pound-feet of torque. It's an amazing beast, to be sure. I'm not sure if it was Michigan's damp streets strewn with potholes and wet leaves, but at no point did I ever say to myself, "You know, Ford is on to a really good thing here, but what it really needs is about twice the power." And yet, for people in warmer climes with infrastructure in better nick - or for those whose muscle cars live their lives out on the track, there's apparently sufficient demand to warrant just such a beast.
Quick studies will recall that Shelby American launched its 1000 last year to commemorate its 50th anniversary, but it is returning to the New York Auto Show with a fresh version based on the 2013 GT500 I drove. The 2013 Shelby 1000 whips up 1,200 horsepower on pump gas thanks to beefed-up forced induction, engine internals and cooling. Wisely, it also incorporates an adjustable suspension and big brake package to make sure those ponies have the best chance being safely deployed to the ground.
What price the world's most powerful "production" muscle car? $154,995 for starters - donor GT500 not included. What, no convertible variant?