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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.

2014 Ford Fiesta ST

I'm not overly inclined to professional jealousy, as a rule. Sure, I go a bit green around the eyes when Ramsey draws the 911 GT3 trip to Weissach, Harley is tapped-in to drive a completely stunning Porsche 911 by Singer, or, you know, Drew Phillips gets to shoot a Lamborghini Veneno in the middle of a desert like some sort of sheik. I hate you guys...
Honestly though, one of the new car events that dug me the most, was when our Steven J. Ewing got to fling the Ford Fiesta ST around some hot corner of Europe. What goes around comes around, I suppose, as Mr. Ewing himself espoused an envious nature of the Focus ST trip that came before.
The good news in all this covetous intra-office behavior? All the cars mentioned, and specifically the Fiesta ST, are just wonderful to drive. I can say that with more confidence than ever now, having joined Ford for a good bit of Fiesta-flinging myself. In my case, the locale was slightly more pedestrian (Michigan not Portugal), and the car in question was the five-door version of the Fiesta ST that we get here in The States, as opposed to the three-door number they get across the pond.

Ford reveals new rapid prototyping and low-volume production techniques [w/video]

It's called "F3T," and that stands for Ford Free-form Fabrication Technology. The process that The Blue Oval has developed means being able to sidestep the weeks-long process of tool-and-die making when engineers want to construct a new part, allowing them to fabricate a three-dimensional part from a two-dimensional sheet of metal in just hours.
While F3T is being developed it is limited to "low-volume prototyping or even low-volume niche vehicles," but the next step is to evaluate it for use in Ford's global manufacturing facilities. You can find out more about it in the video and the press release below.