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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.

Ford recalling nearly 700k Escape CUVs, C-Max hybrids over two separate safety issues

Poor Escape. Ever since its launch in 2012, Ford's small CUV has been the subject of many, many, many recalls. And today, The Detroit News is reporting that Ford is adding two more recalls to the 2013-14 model year Escape's permanent record, one of them also involves the C-Max hybrid hatchback.
The first recall, covering 692,500 Escape and C-Max vehicles, is due to a software glitch that could cause the airbags - specifically, the safety canopy - to not deploy in a timely fashion during rollover crashes. According to the News, Ford says no crashes or injuries have been reported in relation to this problem.
The second recall, covering 692,700 Escapes, is related to the door handles. The News reports that the exterior door handles could open while the vehicle is in motion, and could also fail to latch properly. Once again, no crashes or injuries have occurred because of this. The National Highway Safety Traffic Administration has not issued an official notice on either recall as of this writing.

2017 Ford Super Duty trucks recalled because the fuel tank could fall off

Bad news from Dearborn. Ford just announced a pair of recalls, including a particularly worrying flaw in the new F-Series Super Duty. According to Ford's official announcement, there are roughly 8,000 of its big trucks on the roads with a missing reinforcement bracket – if it's not there, the fuel tank could separate from the frame. Yes, Ford is basically saying the fuel tank could fall out. We don't need to explain why this would be a very bad thing. Fortunately, no owners have experienced said bad things – Ford claims it's unaware of any fires, injuries, or accidents resulting from the flaws. The Kentucky Truck Plant built the affected pickups between August 10 and September 17. The bulk of the vehicles are in the US – 7,103, to be precise. Another 964 are cruising around the frozen Canadian tundra, while two more are in "federalized territories." The other recall is smaller, but reaches across a broad swath of the Blue Oval's family vehicles. Ford says there are 1,352 Taurus sedans, Flex crossovers, Explorer SUVs – including the Police Interceptor Utility variant – and Lincoln MKTs equipped with the company's 3.5-liter EcoBoost V6 that could catch fire. In this case, the danger isn't a detached fuel tank, but an "improperly brazed turbocharger oil supply tube" that could leak and spill engine oil on the turbocharger. Again, Ford isn't aware of any fires, accidents, or injuries due to the flaw. Here's the breakdown of manufacturer dates and location: 2016 Ford Taurus vehicles built at Chicago Assembly Plant, Oct. 18, 2016 to Nov. 2, 2016 2016-17 Ford Flex vehicles built at Oakville Assembly Plant, Oct. 18, 2016 to Nov. 10, 2016 2017 Ford Explorer vehicles built at Chicago Assembly Plant, Oct. 15, 2016 to Nov. 12, 2016 2017 Ford Police Interceptor Utility vehicles built at Chicago Assembly Plant on Nov. 2, 2016 2016-17 Lincoln MKT vehicles built at Oakville Assembly Plant, Oct. 18, 2016 to Nov. 10, 2016 As with the Super Duty recall, most of the affected cars, crossovers, and SUVs are in the US market. There are 126 units in Canada and six in the same "federalized territories" mentioned above. In the case of both recalls, dealers will inspect the affected parts and replace or add them as necessary. Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.