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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.

Feds looking into Ford Explorer exhaust leak complaints

There may be a burgeoning problem with exhaust leaks in the 2011-2014 model year Ford Explorer. The National Highway Traffic Safety Administration is examining multiple complaints of a gasoline smell in the cabin of these SUVs. However, the exact cause of this problem is still unknown.
"The agency is reviewing all available data and will take appropriate action as warranted," said a NHTSA spokesperson in an email to Automotive News. Owners seem to generally complain on the regulator's website of the smell entering the cabin through the air vents. At this time, the government organization has not yet opened an official investigation into the problem, though. When it does begin inspecting vehicles, NHTSA posts a detailed breakdown of its public data online.
Similar problems have been reported about the Explorer in the past, though. In 2013, Ford issued a recall for the 2013 model year of the SUV due to a fuel leak that could cause drivers to smell a gasoline odor and repaired them again later for another possible leak. In response to Autoblog's questions, Ford responded via email: "We are not aware of a NHTSA investigation. We are currently reviewing the case and in the event that any action is required, we will address it promptly."

Lincoln MKC recalled because start button located too close to touchscreen [UPDATE]

UPDATE: Ford spokesperson Kelli Felker responded to our questions and let us know that the fix for the push-button start on the 2015 MKC has the switch moved to the top of the of the column of gear shift buttons instead of the bottom. Owners should be notified about both campaigns "toward the end of February." After massive campaigns from General Motors and to fix Takata airbag inflators, 2014 will undoubtedly go down as The Year Of The Recall. And with little time to spare, Ford is getting in just under the wire to adding two more to its yearly total. The larger of the campaigns is actually one of the most bizarre campaigns we've heard of all year. Lincoln is recalling 13,574 units of its 2015 MKC compact crossover in North America to move the location of the push-button ignition switch on the dashboard. According to the automaker's announcement: "Due to the switch's close proximity to other controls, occupants are inadvertently shutting off the engine while driving." The button is located near the bottom of the touchscreen, which can apparently make it possible to hit by mistake. Back when Autoblog first drove the new MKC in June, we came away very impressed, but noted: "... we're still not completely sold on the aforementioned pushbutton transmission selector ... it still seems somewhat gimmicky and it can't be operated by feel alone, as you might when shifting a traditional console-mounted lever from Park to Drive." According to Lincoln, there have been no reported accidents or injuries stemming from this button misapplication. Of the affected vehicles, there are 11,144 in the US, 2,033 in Canada and 397 in Mexico. To fix the problem, dealers are moving the button to a different location and reprogramming the powertrain control module. According to Automotive News, models built since September already have a different layout. The change was reportedly done to match the rest of the Lincoln lineup. The second recall covers 12,205 units of the 2014 Ford Escape (2015 model year pictured below) and 2015 Lincoln MKC in North America because of a problem with nickel plating on the fuel pump. The issue can cause the pump to seize, which can cause the crossovers not to start or stall while driving. The automaker is not aware of any accidents or injuries related to this fault. Dealers are replacing the fuel deliver module to fix the situation. Of the affected vehicles, there are 9,038 in the US, 3,074 in Canada and 93 in Mexico.