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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.

Ford Mustang GT350R adds a lot more than just a new letter [w/videos]

Okay Chevrolet, the ball is in your court. Ford served up one hell of a rebuttal to the track-focused Camaro Z/28, introducing the limited-production Mustang GT350R, complete with over 500 horsepower, over 400 pound-feet of torque and freaking carbon-fiber wheels. Carbon-fiber wheels. Seriously. It's because of those 19-inch hoops, along with some other changes, that Ford was able to slice 130 pounds from the already lightweight GT350 Track Pack. The wheels are responsible for a 13-pound reduction in unsprung weight per corner, while the removal of such superfluous things like the air conditioning, stereo, rear seats, trunk carpet, backup camera and tire inflator accounts for the rest of the weight reduction. Along with the lower weight, Ford has thoroughly reworked the GT350's aerodynamics, adding a simply monstrous rear wing and diffuser, along with vented wheel wells, a new hood vent that both extracts heat and reduces lift. Beside the aero aids, Ford has shod the carbon-fiber wheels in ultra-grippy Michelin Pilot Sport Cup 2 tires, just to guarantee the shiny side remains up. View 21 Photos Ford retained the standard GT350's 5.2-liter, flat-pane V8, Torsen limited-slip differential (complete with a 3.73 rear axle ratio), although as power figures haven't been published for the standard car, there's no way to know whether the GT350R received a power bump. What we do know, though, is that the GT350R will not be limited to the track. While that's certainly its natural habitat, owners will be able to register and drive this monster on public roads. Take a look at the official press release on the GT350R, available below. And also be sure to have a peek at both Ford's stock photos of the new car, as well as our full gallery of live images, direct from the Blue Oval's Detroit Auto Show press conference home at Joe Louis Arena. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.

Hear the 2015 Mustang GT V8 roar for the first time

Our combined knowledge of the 2015 Ford Mustang continues to deepen, as spy shooters have begun to compile video and audio of the upcoming sixth-generation car.
Case in point is this latest series of video clips, which not only gives us a great vantage point of the Mustang in motion, but also allows us to hear the Ford V8 engine and exhaust. After perusing the aural delights of this short video, which, admittedly, doesn't catch the Mustang GT at full song, we can at least say that the throaty exhaust isn't disappointing.
Chances are good that the 2015 Mustang GT will debut with some version of the current (and excellent) Coyote 5.0-liter V8 engine, though we're unclear as to whether or not the motor has been massaged for its next-gen debut, or what may have been done to exhaust plumbing. At this point, we're just happy to hear the pony run. Scroll below to hear for yourself.