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Daily Driver: 2015 Ford Flex

The Ford Flex has been around. It's not T-Rex or even Model T old, but still; it's been hauling people and stuff since 2008 without a major redesign. That's quite a long time in the car world. Sales have been sliding the last couple of years, and the Flex is now considered a niche player in the crossover-centric US auto market. But that doesn't mean it's still not a pretty good vehicle for its purpose: If you need to haul people and stuff, there are few better choices. Some even think it's a guilty pleasure. I spent a winter afternoon tooling around suburban Detroit in a handsomely equipped Flex Limited. We're talking the 3.5-liter EcoBoosted V6 with 365 horsepower and all-wheel drive. Inside, there were big comfy seats, lots of leather, acres of storage space and even a built-in refrigerator. The drive ended up being surprisingly fun. If there's such a thing as a hot-rod minivan, this is it. I also got noticed. The Flex's boxy design has aged well. It's still polarizing, but there aren't many contemporary vehicles that look like a Flex. So if you've ever seen a Flex on the road, and thought: "Man, that thing is big. I wonder what it's like to drive that?" Now's your chance to find out.

2013 Shelby GT350

Shelby is a name as synonymous with the Ford Mustang as marshmallows are with campfires. But unlike the short-lived sugary confection that is prepared on a stick, the late Carroll Shelby's name on the placard means added performance and exclusivity. Launched in 1965, the automaker's celebrated early cars were in production for a limited run - today, a mint concours-quality 1965 Shelby GT350 can sell for upwards of $350,000.
To coincide with the 45th anniversary of the original Shelby GT350, Shelby American reintroduced the GT350 in 2011. Like the original, it was only offered in white with blue stripes. Customers were offered a choice between naturally aspirated (440 horsepower) and two levels of supercharging (525 horsepower with a warranty or 624 horsepower without). The manufacturer calls the GT350 a "post-title" package, a term that means it starts out life as a stock Mustang and is modified outside Ford's factory (this is in contrast to the Shelby GT500, which is a standard Ford production car).
As the GT350 enters its third year, Shelby has made several changes. Mechanically, Wilwood brakes replace Baer units and Recaro seats and a tinted glass roof are on the options list. Cosmetically, the vehicle is now offered in most of the Blue Oval's factory colors, new multispoke wheels are available in Satin Black or Bright Silver Metallic finish, and customers can choose between Satin Black, Silver or Gloss White stripes (or Azure Blue Metallic on Performance White or Ingot Silver). Aesthetically, the look of the car has also changed somewhat - keen eyes will note that it actually appears more 'stock' than it did last year.

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).