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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 F-150 shaves 700 pounds, adds 2.7-liter EcoBoost [w/video]

The Ford F-150 is one of the best selling vehicles on the planet. Considering that, one can imagine that when it comes time for a redesign, there are hardly any half measures. For its lucky thirteenth generation, Ford has gone all-in on the single most important vehicle in its portfolio, redesigning it from the ground up.
The big news is the F-150's new, lightweight, Atlas-inspired body. Ninety-three percent of that new body is made from a sort of aluminum alloy not unlike what the US military uses in its M2 Bradley fighting vehicles and Humvees, and it accounts for up to 70 percent of the F-150's 700-pound weight reduction. As a side benefit, the aluminum body should prove more resistant to dents and dings. Built Ford tough, indeed.
If you're wondering where the other 30 percent of that 700-pound weight loss went, 8.5 percent (60 pounds) came from the increased use of high-strength steel (up from 23 percent to 77 percent) in its ladder-box frame. Ford claims this steel is comparable to some of the heavy duty pickups used by its competitors, with a PSI rating of 70,000.

Ford investing $500M in engine plant for 2.7L EcoBoost production

Ohio is a hot area for Ford at the moment with the announcement just a few weeks ago that production of the next-generation F-650/F-750 medium-duty trucks would move from Mexico to the Ohio Assembly Plant in Avon Lake, Ohio. Now, Ford is investing $500 million to hire 300 workers at its Lima Engine Plant in Lima, Ohio, to add production of the twin-turbo 2.7-liter EcoBoost V6 for the 2015 F-150.
The latest investment will be used to add a new flexible engine assembly system and renovate 700,000 square feet of the plant for machining and assembly areas. The Lima factory already builds Ford's 3.5-liter and 3.7-liter Duratec V6 engines. The plant opened in 1957, and it's on track to build its 40 millionth engine later this year.
Ford claims that the 2.7-liter EcoBoost will offer V8 performance with better efficiency in the F-150. It comes standard with intelligent stop/start that doesn't activate when the truck is towing or in four-wheel drive, and it's made from a combination of compacted graphite iron and aluminum for low weight and high strength. The company says that V6 engines have already proven popular in the F-150 with 57 percent of trucks in 2014 being equipped with either the naturally aspirated 3.7-liter or turbocharged 3.5-liter EcoBoost engines.