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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.

Icon and Stealth EV are building an electric Derelict Mercury

Icon, a company known for its high-quality restomod vehicles, is building another Derelict, this one a 1949 Mercury coupe. While the fact Icon is building another one of its sleeper hot rods with patina isn't the most shocking, what's under the hood is. The company has teamed up with Stealth EV to turn this latest Derelict into an electric car. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. The car was shown in the above Twitter post with video. The exterior is just what you'd expect from an Icon Derelict. It's solid but with a weathered finish. And even as the guy from Stealth EV approaches the car, it looks like it has a V8 under the hood. But as he explains, there's actually the two motor controllers and half of a Tesla battery pack under there. It's just that they've all been given some classy looking metal casings and mounted to look like a V8. Apparently the motors themselves are in the transmission tunnel. The Stealth EV rep says it uses a pair of AM Racing motors. Depending on which motor controllers the companies are using, those motors could produce as much as 700 horsepower. Power will go to the rear wheels and no transmission will be used, making it direct drive. It will have a limited-slip differential, and the whole car sits on an Art Morrison chassis with independent suspension. This actually isn't the first electric Icon, nor the first developed with Stealth EV. Before this, the companies created a totally awesome electric Volkswagen Thing. That little truck made much less power at 180 horses, but it was also a way smaller and lighter vehicle. Related Video:

NHTSA and Ford investigating steering issues in Crown Vic, Grand Marquis and Marauder

There may be more steering woes for the Ford Crown Victoria. The National Highway Traffic Safety Administration has opened a preliminary evaluation into the Crown Vic and Mercury Grand Marquis from the 2004 to 2007 model years and the Mercury Marauder for the 2004 and 2005 model years because the steering shaft can jam. The issue could potentially affect an estimated 500,000 vehicles.
According to the regulator, there is a possibility that the driver's side heat shield for the exhaust manifold can rust, dislodge, and then wedge into the steering shaft. If this occurs, it leads to a situation where the driver can no longer control the car.
NHTSA has received five complaints of this happening, including one alleged case with an injury. In that situation, the car was driving onto the highway, lost control and rolled over. One occupant was hurt in the accident.