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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: Craterface's '49 Mercury convertible from Grease

Here is your chance to own your very own piece of greased lightning. Well, not the Greased Lighting, it's actually the black, flamed 1949 Mercury convertible that races against John Travolta in the classic 1978 movie Grease, and it's for auction on eBay Motors.
While it appeared in the film's exciting drag race in a Los Angeles storm drain, the hot rod was reportedly lost until last year, when the seller found it as a shell. He verified that it was the actual car with original builder, Eddie Paul, and sent the car for a complete restoration.
The auction includes original parts like the exhaust tips used in the movie and bent bumper from when it hit Travolta's car in the scene. The restorer recreated the scorpion stickers on the doors, razor hubcaps and license plate. He also installed a 1949 Mercury 255-cubic-inch (4.2-liter), flathead V8 and three-speed manual transmission with overdrive.

Curtain officially comes down on Mercury as dealers remove signage

The process of shutting down the Mercury is complete. Ford officially made the decision to close its mid-level brand in June of 2010. In the months that followed, Ford offered its dealers money to stop selling the cars, with production shutting down in September. The last Mercury, a Mariner, rolled off the assembly line in the beginning of October and former spokesperson Jill Wagner said her good-byes to both the car and her job. Now the last piece of the brand has come down as dealers are removing any and all Mercury signage from their lots.
[Source: Detroit News]Read | Permalink | Email this | Comments