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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 Mustang Convertible ships in time for holiday gift giving

Looking for the ultimate present to put under the tree for that special someone? Well it might not fit in your living room or in a stocking, but the keys to a new Mustang convertible ought to do the trick. That's right, Ford has begun shipping the new drop-top pony car just in time for the holidays. Taking delivery of a convertible might not make the most sense in some climates, but those in southern states will undoubtedly enjoy the top-down experience to ring in the new year. And for those stuck in snowier climes, Ford is keen to point out that the new Mustang convertible is available with features like heated seats, remote start and a snow/wet setting among the selectable drive modes. As with the coupe, the new Mustang convertible can be had with the base 3.7-liter V6, the optional 2.3-liter EcoBoost turbo four or the top-of-the-line 5.0-liter V8. For the time being, though, the 500+ horsepower Shelby GT350 is available only in coupe form. Related Video: Dec 9, 2014 | DEARBORN, Mich. 2015 Mustang Convertible Begins Shipping to Ford Dealers • Keys to the first 2015 Ford Mustang convertibles will be in customers' hands shortly • Available heated seats and remote start allow the all-new Mustang convertible to be enjoyed year-round, even in the coldest climates • Selectable drive modes with a snow/wet setting tunes Mustang to perform well in inclement weather conditions Ford Motor Company is excited to announce the 2015 Ford Mustang convertible will begin shipping to dealerships nationwide this week. "Cold weather may have come unseasonably early this year, but with available heated seats, remote start and selectable drive modes with a snow/wet setting, Mustang is the perfect offering for the season," said Melanie Banker, Mustang brand manager. Heated seats, standard on all premium Mustang convertibles, allow the driver and front passenger to stay warm even when the temperature drops. "While these seats also have a cooling feature, we suspect customers won't be using this function for a few more months," said Banker. Remote start, standard on all automatic-transmission Mustang models, allows customers to fire up their drop-top from the comfort of their home, even in inclement weather conditions. When remote start is used, Mustang not only warms up its engine, it also warms the interior of the car to a comfortable temperature.

New car market raining on convertibles' parade

Whether fitted with soft or hard folding lids, today's droptops are better than ever for year-round motoring. Advancements in power top mechanisms, sealing, aerodynamics, structural rigidity, rollover safety and creature comforts like heated and cooled seats mean that modern convertibles are more versatile and better to drive than ever before. Yet the segment's sales took a dive during the recession and haven't come back, Automotive News reports.
Part of that is because automakers are looking at today's more sensible buyers and simply not developing as many new models, and that lack of fresh iron is curbing sales. AN cites R.L. Polk data which notes that only about one percent of new vehicles registered in the US last year had tops that folded. Back in 2009, it was 1.4 percent, and it was 2 percent in 2006. All-in, some 151,636 convertibles were registered in 2012. That's more units more than were registered in each of the past three years, but the market has also grown as the economy has picked up speed, and as a percentage of new vehicles purchased, convertible sales are lagging.
Thus far in 2013, the Ford Mustang is America's top-selling convertible, with 6,421 units registered through the end of April, followed by its rival, the Chevrolet Camaro, at 4,751 units. The Volkswagen Beetle isn't far behind, with 4,305, but from that point, it's a steep drop off to the fourth-place Mercedes-Benz SL-Class and its 2,380 sales.