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GM readying aluminum-body fullsize pickups

Ford's extensive use of aluminum in its 2015 F-150 is a big deal. A really big deal. Big enough, in fact, that General Motors is reportedly changing its fullsize pickup strategy. According to The Wall Street Journal, The General has locked in partnerships with Alcoa Inc. and Novelis Inc. - companies that will supply aluminum for the next-generation Chevrolet Silverado and GMC Sierra trucks.
"Ford's introduction of the 2015 F-150 pickup truck was a game changer, and it's the first, not the last, conversion of this type," Novelis spokesperson Charles Belbin told the Journal. The switch to aluminum has allowed Ford to shave roughly 700 pounds off its fullsize truck's curb weight. And while official mileage ratings have not been announced, the weight loss should go a long way for improving efficiency, especially when combined other efficiency-minded improvements including better aerodynamics and new, turbocharged V6 engines.
Of course, aluminum-bodied cars are nothing new. But extensive use of aluminum in a major, best-selling product like the Ford F-150 is expected to kick off widespread use of this weight-saving material as availability rises and cost decreases. The WSJ reports that GM had originally explored the idea of moving to aluminum pickups back in 2008, but abandoned the idea due to cost concerns amid economic woes.

Which is more fuel efficient, driving with a pickup's tailgate up or down?

Thanks to the smoke wand in the wind tunnel, you can actually see the difference in our video.
Should you drive with your pickup truck's tailgate up or down? It's an age-old controversy that's divided drivers for decades. Traditionalists will swear you should leave the tailgate down. Makes sense, right? It would seem to let the air flow more cleanly over the body and through the bed. But there's also a school of thought that argues trucks are designed to look and operate in a specific manner, and modern design techniques can help channel the airflow properly. So don't mess with all of that: Leave the tailgate up.

2014 Ford Fiesta 1.0L EcoBoost to hit 45 mpg for $16,445*

When Ford first announced its plan to put the 1.0-liter EcoBoost three-cylinder engine under the hood of the 2014 Fiesta, it promised hybrid-like fuel economy without a hybrid-like premium. We're still waiting for official specs on this engine, but thanks to the EPA's fueleconomy.gov website and Ford's retail site, we now know what customers can expect in terms of both fuel economy and price.
All along, Ford has said that it expects the 1.0-liter EcoBoost to get more than 40 miles per gallon on the highway, and now the EPA backs this up with official ratings of 32 mpg in the city and 45 mpg on the highway. These numbers are an increase of two mpg city and four mpg hwy compared to the current fuel-sipping Fiesta (the 1.6 SFE), and it also beats other three-cylinder cars for highway mileage like the 2014 Mitsubishi Mirage (44 mpg highway) and 2014 Smart Fortwo (38 mpg highway); the Fiesta 1.0 EcoBoost is lower than both three-pot rivals, though, in city fuel economy with the Mitsubishi getting 37 mpg city and the Smart rated at 34 mpg city. This model handily beats high-volume small cars like the Honda Fit, Toyota Yaris and Chevy Spark in both city and highway numbers.
As for pricing, the 1.0-liter EcoBoost is offered on both the sedan and hatchback as a $995 option called the SE Manual EcoBoost package, which is aptly named since it's only offered on SE trim-level Fiestas equipped with a manual transmission. Along with the engine, the package also comes with 15-inch steel wheels, regenerative brakes and a decklid spoiler on the sedan. This means the four-door Fiesta 1.0 EcoBoost will start at $16,445*, or $17,045* for the hatchback (*not including $795 for destination).