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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.

Submit your questions for Autoblog Podcast #324 LIVE!

We're set to record Autoblog Podcast #324 tonight, and our friend Peter Leung (a.k.a. BaronVonClutch), who writes about racing for Richland F1 is going to teach us how to love the vroom-vroom. Drop us your questions and comments regarding the rest of the week's news via our Q&A module below. Subscribe to the Autoblog Podcast in iTunes if you haven't already done so, and if you want to take it all in live, tune in to our UStream (audio only) channel at 10:00 PM Eastern tonight.
Discussion Topics for Autoblog Podcast Episode #324
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Mulally will stay close to Ford after he steps down, plans to advise Fields [w/video]

Ford CEO Alan Mulally has less than a week left in his role of leading the Blue Oval before he hands off duties to Mark Fields on July 1. It doesn't look like Mulally is going to be shuffling off into his retirement anytime soon, though. The 68-year-old is being rather secretive about his next move, but he tells Bloomberg in a recent interview that he plans to stay close to Ford. Also, if Fields wants to ask for any advice, Mulally is happy to help.
Mulally took over at Ford in 2006 and led the company through a seriously rough patch in the auto industry. According to Bloomberg, he became famous or his Thursday meetings where executives were forced to deal with any problems before they could leave. Since announcing his retirement from Ford in May, Mulally has been insuring a smooth transition of power by traveling the world to all of company's major locations and saying goodbye to employees and dealers.
In terms of the future at Ford, Mulally doesn't predict any big changes in management style because the rest of the executive team is staying in place. He believes that Fields is going to maintain the processes already in place to keep things going. After all, it seems to be working. The company is predicting a return to profitability in Europe next year and is opening 88 new dealers in China. If the business could get its recalls under control, things could get even better.