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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 450,000 Fusion, Mercury Milan sedans

Ford has announced a pair of recalls, and both are critical safety issues. The exponentially larger of the two recall campaigns affects over 450,000 Ford Fusion and Mercury Milan sedans manufactured at the Hermosillo plant between July 21, 2008, and March 4, 2011. The canister purge valve in the fuel tank could malfunction and could cause the top of the tank to crack and leak fuel. That could cause a fire, although Ford "is not aware of any accidents, injuries or fires" resulting from the issue. Affected vehicles will have their ECU software updated and their fuel tanks inspected for potential replacement. The company estimates there are 411,205 affected units in the United States (and its federalized territories), plus another 33,605 in Canada, and 7,055 in Mexico. The second recall affects 13 F-650 trucks. The column shifter's park position mechanism may fracture and let the truck roll away unexpectedly. Those 2016 models built in Ohio between July 29 and September 3, 2015 are all located in the US. Fixing the problem will require replacing the steering column and reconfiguring the instrument panel. FORD ISSUES TWO SAFETY RECALLS IN NORTH AMERICA DEARBORN, Mich., Nov. 23, 2015 – Ford Motor Company is issuing two safety recalls in North America. Ford is not aware of any accidents, injuries or fires related to these conditions. Details are as follows: Ford issues safety recall for certain 2010-2011 Ford Fusion and Mercury Milan vehicles in North America for potential fuel tank issue Ford Motor Company is issuing a safety recall for approximately 450,000 2010-2011 Ford Fusion and Mercury Milan vehicles for a potential issue with the fuel tank. Some of these vehicles might have a canister purge valve that does not work properly, causing internal pressure changes inside the fuel tank. Repeated pressure changes inside the tank could result in a crack on the top of the tank, possibly allowing fuel to leak. A fuel leak in the presence of an ignition source can lead to a fire. Ford is not aware of any accidents, injuries or fires related to this condition. Affected vehicles include certain 2010-2011 Ford Fusion and Mercury Milan vehicles built at Hermosillo Assembly Plant from July 21, 2008 through March 4, 2011. There are a total of approximately 451,865 vehicles that might be affected in North America, including 411,205 vehicles in the United States and federalized territories, 33,605 in Canada and 7,055 in Mexico.

Ford announces two recalls, 442k vehicles affected in North America

Ford is announcing two recalls for North American that affect a total of 442,300 vehicles and multiple model lines. The larger campaign covers the possibility of electric power steering systems that can fail in the 2011-2013 Ford Flex, Taurus, Lincoln MKS, and MKT; the 2011-2012 Ford Fusion and Lincoln MKZ; and the 2011 Mercury Milan. This recall affects 422,814 vehicles in North America, including 393,622 in the United States, 25,195 in Canada, and 3,997 in Mexico. According to the company, an intermittent electrical connection can cause the power steering to cut out, although manual steering would still work. Ford knows of four minor accidents from this issue, but there are no injuries. Depending on trouble codes from the vehicle, dealers will either upgrade software for the power steering control module or replace the steering gear. The second recall covers 19,486 examples of the 2015 Ford Mustang with the 2.3-liter EcoBoost turbocharged four-cylinder engine with a production date between February 14, 2014, and February 10, 2015 at the Flat Rock Assembly Plant. Specifically, there are 19,095 of these in the US and 391 in Canada. These pony cars can show elevated underbody temperatures, which can lead to degradation of the fuel tank, fuel vapor lines, and parking brake cable seals. There are no reports of accidents, injuries or fires from this, though. To fix things, dealers will install a better-insulated fuel tank shield, add thermal patches around the tank and parking brake cable, and put thermal wraps around the fuel vapor lines. You can read the specific build dates and locations for the models affected by the power steering issue in Ford's press release below the video. Related Video: FORD ISSUES TWO SAFETY RECALLS IN NORTH AMERICA DEARBORN, Mich., May 27, 2015 – Ford is issuing two safety recalls in North America. Four minor accidents and no injuries are attributed to one of these conditions.