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Ford finds flex-fuel engine design plays big role in emissions output

How bad is ethanol for your engine? There's been a lot of debate on this issue as the US considers upping the biofuel content in the national gasoline supply from 10 percent (E10) to 15 percent (E15). The ethanol industry and some scientists say higher ethanol blends show no "meaningful differences" in new engines while the oil industry says ethanol creates health risks. Researchers working at the Ford Research and Innovation Center decided to take a closer look at how a wide range of gas-ethanol blends - E0, E10, E20, E30, E40, E55 and E80 - affected the emissions coming out of a flex-fuel 2006 Mercury Grand Marquis. To see the full report, printed in the journal Environmental Science & Technology, requires payment, but there is an abstract and Green Car Congress has some more details. The gist is that, "with increasing ethanol content in the fuel, the tailpipe emissions of ethanol, acetaldehyde, formaldehyde, methane, and ammonia increased." At least NOx and NMHC emissions decreased. The researchers say that the effects are due to the fuel and "are expected for all FFVs," but that the way that a manufacturer calibrates the engine will affect NOx, THC, and NMOG emissions. It's this last bit that's important, since the researchers found, "Higher ethanol content in gasoline affects several fundamental fuel properties that can impact emissions. ... These changes can have positive or negative effects that can depend on engine design, hardware, and control strategy. In addition to direct emissions impacts, higher ethanol content fuel can also provide more efficient combustion and overall engine operation under part-load conditions and under knock-limited higher-load conditions." So, as we head towards more ethanol in our fuel supply (maybe), manufacturers are going to need to learn how to burn it most efficiently.

2015 Ford Focus Sedan is fresh-faced and ready to defend its Most Popular crown

Ford has made an art of deeper-than-normal midlife updates since the 2010 Fusion, a strategy that has allowed it to keep models looking fresher in showrooms for longer without needing full redesigns. Instead of slight touchups to light fixtures, new paint colors and perhaps new wheel patterns, Ford has been digging deeper, with significant sheetmetal changes and very different front-end looks, along with an increased emphasis on new in-car technologies to keep models vibrant. Other automakers are following this trend, and Ford itself is continuing on the path with this new 2015 Focus Sedan.
There's a handsome new SE Sport Package that includes a firmer touring suspension, modest body kit and 17-inch wheels.
We first saw this sleek Aston Martin-like nose fitted to a Focus at the Geneva Motor Show last month, but Ford only showed the new look on the five-door hatchback - this is the first appearance of the sedan, which will bow at next week's New York Auto Show. The front end treatment is the same, with a new hood, new headlamps incorporating LED accents, a different grille shape and a completely revised lower fascia that does away with the 2014 model's controversial triangle-shaped corners and gaping intakes. The rear gets a new two-piece, laser-brazed trunk lid with new taillamps, but the overall look is quite similar to last year's car. In any case, the refreshed look brings the Focus sedan more in line with the design of Ford's other recently reworked cars, including the Fusion and Fiesta.

More evidence GT500-replacement will be named GT350

During the recent unveiling of the 2015 Ford Mustang, we saw the car in both V6 and GT form, but we'll have to wait a little bit longer to see the successor to the Shelby GT500. In the meantime, though, it looks like SVTPerformance.com has confirmed reports that this high-performance model will bring the Shelby GT350 name back to Ford.
According to the forum post, a user found the Shelby GT350 name on a Ford promo website listing its 2015 lineup. The Shelby GT350 name was first used on a Mustang back in 1965, and most recently it has been a model created for customers as a post-title purchase by Shelby American. As for that car, Shelby confirmed earlier in the year that its GT350 would be phased out at the end of this month.
The million-dollar question for Mustang and Shelby enthusiasts is when we'll see next factory Shelby GT350. Last we heard it was planned for a debut at the New York Auto Show. We've included our previous spy shots of this hi-po, sixth-gen Mustang, and we've also captured it on spy video showing off its exhaust note.