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2015 Roush Mustang lineup officially revealed

Just last week, Saleen revealed initial details of its tuning program for the new Ford Mustang. And now Roush is following suit.
Available in three stages - based on the V6 (RS), EcoBoost (RS1) and V8 (RS2) models - the 2015 Roush Mustangs all feature the venerable Ford tuner's latest R7 aero kit complete with remodeled fascia, five-blade grille, gaping air dam with integrated driving lamps and splitter. Around back there's a one-piece deck spoiler and "race-inspired lower aero-valance."

Weekly Recap: GM posts solid profits, not looking for partners

General Motors is not looking for partners. It's big enough already. So says CEO Mary Barra, who shot down overtures from outspoken Fiat-Chrysler chief Sergio Marchionne this week. Barra said GM will look to find scale within its operations, rather than through outside partners. "We think there's tremendous opportunity for us within the business as we look at efficiency measures, as we look at truly achieving the scale that we should have, because we're already in that top tier of the auto industry among the largest OEMs," she said. Barra added: "We have a very well-articulated plan. We're in the middle of executing that, and we're not going to entertain anything that might distract us from accomplishing that." Her remarks came in the wake of Marchionne's provocative comments in March. He expects a wave of industry consolidation and said he's open to teaming with Ford or GM, calling it "technically feasible." Because of its smaller size, FCA would likely stand to gain more from a partnership than GM or Ford. The Blue Oval isn't interested in teaming with Fiat-Chrysler, either. "We have no other plan or interest then to continue to accelerate our One Ford plan, deliver product excellence and drive innovation in every part of our business," a spokesperson said. GM, the largest US automaker, announced a $945-million first-quarter profit on Thursday and posted its best earnings performance in North America since 2009. Earlier in the week, GM confirmed it had sold 2.4 million vehicles around the world in the quarter, ranking behind Toyota (2.52 million) and Volkswagen (2.49 million). Other News & Notes SUVs, EVs shine at Shanghai Motor Show SUVs and electric vehicles grabbed the spotlight at the Shanghai Motor Show this week as companies vied for attention in the world's largest car market. Notably, Honda's Concept D previewed the company's future flagship SUV that's being developed for China, Mercedes rolled out a BMW X4-fighting GLC Coupe concept and Chinese company Qoros debuted its 2 plug-in SUV concept. Nissan, Volvo and several others also showcased utility vehicles in Shanghai. Automakers are rushing to take advantage of the crossover craze in China. The market for locally-produced SUVs grew 50 percent in the first quarter, according to IHS Automotive research, which called the show a "launch pad" for new utility vehicles. Even though SUVs are popular, IHS predicts their growth rate will slow, and sedans account for more sales volume in China.

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.