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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).

12 best hybrid SUVs for 2022

If you're searching for the best hybrid SUV, the truth is there actually aren't that many choices. While there's an endless sea of those powered solely by gasoline, those that add batteries and superior fuel economy to the mix are few and far between. The very good news, however, is that the choices you have are actually excellent. The top-selling and top-rated Honda CR-V and Toyota RAV4 are not only available as hybrids, for instance, but are actually at their most appealing as hybrids.  Luxury hybrid SUVs are a different story. While Lexus offers each of its crossover SUVs as a conventional hybrid, those of other brands are by and large plug-in hybrids that provide a relatively brief amount of all-electric propulsion, superior fuel economy and higher prices that are somewhat countered by EV tax rebates. We include both conventional hybrids and plug-in hybrids in the below list of best hybrid SUVs. All are listed alphabetically within each category. Best small hybrid SUVs   |   Best midsize hybrid SUVs Best luxury hybrid SUVs   |   Best luxury plug-in hybrid SUVs Best small hybrid SUVs Honda CR-V Hybrid Why it stands out: Best-in-class back seat space; hybrid's distinctive EV-like power delivery; middle lower LATCH anchorCould be better: Antiquated and glitchy tech interface; a bit dull Hybrid fuel economy: 38 mpg combined (AWD only) Read our 2022 Honda CR-V Review Consider the CR-V the baseline for any compact SUV search. Objectively speaking, it's tough to beat due to its massive cargo capacity, voluminous back seat, well-balanced driving dynamics, competitive pricing and features, strong safety ratings and well-regarded reliability. In terms of its hybridness, we like that Honda's distinctive hybrid system sees most of its propulsion handled by the electric motor (the engine rarely powers the wheels directly), resulting in a more EV-like, torque-rich power delivery and a less obtrusive gas engine. For the vast majority of compact SUV buyers, and especially families, the CR-V Hybrid checks every box.    Hyundai Tucson Hybrid Why it stands out: Beautiful interior; excellent infotainment and safety technology; traditional automatic transmissionCould be better: No spare tire; styling a tad outrageous Hybrid fuel economy: 37-38 mpg combined (AWD only) Plug-in hybrid electric range: 33 miles Plug-in hybrid fuel economy: 80 MPGe Read our 2022 Hyundai Tucson Review The Tucson is the new kid in town and it's made quite an entrance.

2015 Fisker-Galpin Rocket Quick Spin [w/video]

There is no shortage of fast Mustangs these days. Roush and Saleen will tune your ordinary 'Stang into something really special. Ford itself offers hot coupes like the new Shelby GT350. Don't even get me started on the endless aftermarket catalogs full of bolt-on whats-its and performance upgrades. Standing out within the huge crowd of tuned Mustangs is hard to do. But you'll definitely notice this one. "I always wanted to do a Mustang," Henrik Fisker told me as we walked toward his latest creation, the Rocket, parked outside the Inn at Spanish Bay in Pebble Beach, CA. The man knows a thing or two about design, after all. He penned the BMW Z8, as well as the Aston Martin DB9 and V8 Vantage. But this Rocket is, well, ugly. The rear end isn't totally terrible, and those 21-inch wheels are sort of cool, but taken as a whole, it looks like it swallowed something it doesn't like the taste of. But beauty is in the eye of the beholder – or perhaps, the creator – so we'll let Mr. Fisker explain why the car looks the way it does. See the video below for his brief design walkaround. If you can get past the looks, there's a world of performance to unleash, thanks to the boys at Galpin Auto Sports – the same folks responsible for the GTR1 I drove last year. The Mustang's 5.0-liter V8 gets a 2.9-liter Whipple supercharger that improves output to 725 horsepower (the torque figure isn't available), and the car's suspension has been thoroughly reworked to help put all that grunt to the ground. It's very good, yet very familiar. Let me explain. Driving Notes Like the stock Mustang, it's really easy to drive. The car fires up with a growl, you move the shifter into first gear, and the action of engagement is as solid as it is in the normal 5.0-liter car. Both the clutch and throttle have a progressive action, so it's super easy to launch the Rocket (sorry). Once you get going, there's a ton of power to unleash. It doesn't smack you in the face right up front, though – the power delivery is smooth and linear. Easy to manage, too, thanks to that slick six-speed manual transmission. Credit Ford (and Getrag) for making a manual that's able to handle so much extra grunt. That said, the Rocket feels like your typical fast Mustang. It goes like hell in a straight line and there isn't a ton of steering feel. Galpin retuned the electronic power-assisted steering, but it's still too light considering the added power of the car.