2008 Mercury Mariner on 2040-cars

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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.

Question of the Day: Most degraded car name?

When Ford came up with a not-so-sporty version of the Pinto and slapped Mustang badges on it in 1974, that was a low point for the Mustang name. When Chrysler applied the venerable Town & Country name on perfectly functional but unglamorous minivans, it saddened many of us. But perhaps the biggest demotion for a once-proud model came when, in 1988, General Motors imported a misery-enhancing Daewoo from Korea and called it the Pontiac LeMans. The original Pontiac LeMans was a great-looking midsize car with fairly advanced (for the time) suspension design and engine options including potent V8s and a screaming overhead-cam straight-six. The Daewoo-based Pontiac LeMans was a cramped, shoddy hooptie that served only to ruin the LeMans name forever, while stealing sales from the Suzuki-based Chevrolet Sprint. Sure, using the once-respected Monterey name on the Mercurized Ford Freestar was bad, but Mercury didn't have long to live at that point. I say the downward spiral of the LeMans name was the most agonizing in automotive history. What do you think? Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Auto News Ford Mercury Pontiac Automotive History Classics questions ford pinto names

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