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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.

eBay Find of the Day: Mk1 Ford GT40 with interesting history

You might expect a rare Ford GT40 to cross the block at some sort of prestigious auto auction from RM or Gooding, not show up on eBay for over $2 million. However, that's exactly what we have here. The seller claims the car is a late-build Mk1 GT40 from 1969, and it's currently owned by the director of the Hublot watch company in Switzerland.
According to the listing, GT40 #P1108 started life as Mk1 car that was built from factory spares in 1969 and was first sold in 1971. However, the auction is somewhat confusing. According to an image in its gallery, the vehicle was actually built from one of the seven spare Mk3 tubs when production of the iconic racers ended.
This GT40 was never built as a racecar - it lived on the streets its whole life. After assembly finished, it was sent to Germany and was eventually registered for the road. The first owner kept the car until 2005 and sold it with 7,300 miles on the odometer. The current owner bought it in 2012.

Next Ford Raptor spotted wearing aluminum skin

Well, look at what we have here. Judging from these spy shots, Ford is indeed working on the next generation of its off-road-ready F-150 Raptor pickup truck. We've made no attempt to hide our appreciation for the Baja-style truck, which combines most of the usability of a fullsize truck with heavy-duty suspension components to make a kind of performance vehicle that is unique in the market.
What we haven't known, until now, is whether Ford would push forward with its Raptor program now that it has a completely new F-150 to serve as its base. And that's especially true since Ford made the bold move of switching the bodywork of its best-seller from tried-and-true steel to aluminum. As you can see above, the front and rear of this silver truck are clad in current-gen Raptor bodywork, while the center section that houses the occupants appears to come from the upcoming 2015 F-150.
Dissecting the views above, we note a few interesting tidbits. First, there looks to be a bulge in the truck's hood. Second, we see a new grille between the current Raptor's headlights, sporting a mesh finish and two horizontal bars. Lastly, our eyes can't help but lock in on those burly A-arm suspension pieces down below, not to mention all that ground clearance the specialty suspenders bring to the table.