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2015 Shelby GT350 Mustang sounds racy as it revs [UPDATE]

UPDATE: It seems as though the GT350 exhaust was just too hot for YouTube. The video has been removed, as you can see. We'll keep combing the Interwebs for a new version. If you're somehow still on the fence about the 2015 Ford Shelby GT350 Mustang, then this video should provide some healthy encouragement about the new coupe. There's no high-speed action here, but you get to experience the wonderful sound of the GT350's 5.2-liter V8 with a flat-plane crankshaft start up, idle and throw some revs. At a twist of the key, the engine barks to attention, and a wonderfully crisp shriek comes from the exhaust when the driver blips the throttle. The GT350 even has a growly baritone at idle. According to the YouTube description, this car was on hand at the Carroll Shelby Tribute and Car Show in Gardena, CA. Unfortunately, videos online might be the best chance for many people to hear the wail of the latest GT350 for now. Ford is only building a total of 137 of them for the 2015 model year, but the numbers should pick up when the 2016 model year begins in just a few months.

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 Fiesta rally car warms up in Sweden

Rallycross is seeing a sudden surge in popularity with two series bringing the racing to the US and Europe. The Ford OMSE team is competing in both championships this season, and it saw no reason not to hold practice with a highly modified Fiesta in the snow of Northern Sweden. It brought together Andreas Bakkerud from the European-focused FIA World Rallycross Championship and Patrik Sandell from the North American-focused Global Rallycross series for some training and fun. They certainly appear to be enjoying themselves, too, with some lovely pirouettes in the powder.
If you're unfamiliar with rallycross, the discipline combines the best of rallying and circuit racing. Drivers (with no co-drivers) race rally cars over a circuit that generally mixes dirt and asphalt, and unlike traditional rallying, multiple cars compete side-by-side at once. Even better, it's often a very two-fisted form of motorsports with lots of car-to-car contact. Global Rallycross and World Rallycross will both kick off their seasons in May. With spring on the way, scroll down to watch the Fiesta kick up some of the last snow drifts of the year.