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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 won't be releasing GT500 lap times for the 'Ring, or any other car

Trucks have towing capacity, EVs have driving range and performance cars have Nürburgring lap times. What do all three have in common? They should all be taken with a grain of salt. Currently, there is no sanctioned way to record lap times or verify production-spec cars - a lesson we recently learned with the 2015 Nissan GT-R Nismo - and until there is a way to do so (and there probably never will be), we'll never officially know the actual time it took for Ford to lap the 'Ring with its ultra-powerful Shelby GT500.
After posting a Ford-made video of a 2013 GT500 running around the 'Ring, the guys over at SVTPerformance.com (an enthusiasts forum not affiliated with Ford or SVT) wanted more answers. They got in touch with Ford's Global Performance Vehicle Chief Engineer Jamal Hameedi, who said until there is a way to verify the times and inspect the cars, Ford will not get involved with lap-time wars. In the email, Hameedi pointed out that the 'Ring is a useful tool in that it allows a wide spectrum of track conditions, but until there is a governed way to record times, there is no way to accurately compare cars head-to-head.
And as much as some may not like it, Hameedi speaks the truth. It really isn't possible to compare times from one car to another, unless those cars were lapping the same track at the same time with the same driver. Not that any of this means there won't be continuous wars by fans and manufacturers alike... in other words, feel free to voice your opinions in the Comments below.

Ford recalls 125,000 Maverick, Escape, Corsair hybrids over fire risk

Ford is recalling more than 125,000 Maverick, Escape and Lincoln Corsair hybrids produced for the 2020-2023 model years to address a fire risk associated with failure of their internal combustion engines, which Ford says is happening with undue frequency. In the event of an engine block breach, oil and fuel vapors may collect under hood in places that would make them prone to ignition, meaning that an engine failure can do more than leave owners stranded.  "Isolated engine manufacturing issues have resulted in 2.5L HEV/PHEV engine failures involving engine block or oil pan breach," Ford said in its defect report to NHTSA. "In the event of an engine block or oil pan breach, the HEV/PHEV system continues to propel the vehicle allowing the customer to continue to drive the vehicle. As the customer continues to drive after a block breach, oil and/or fuel vapor continues to be expelled and accumulates near ignition sources, primarily expected to be the exhaust system." Per Ford, the "manufacturing issues" include poor machining of the engine crankshaft and contamination of engine block mating surfaces during assembly. The issue has been fixed in production, but 2.5-liter engines that escaped the factory with defects could be ticking time bombs. Ford's solution is to re-work the underhood components that allow combustible liquids and vapors near ignition sources. This way, the cars are better protected against immolation regardless of the circumstances. Signs of failure will be obvious, Ford says. Loud clanging or booming noises, a loss of power and smoke are all immediate signs that the customer should exit the roadway as safely and quickly as possible and shut the car down.  Owners should expect to receive notifications by the end of June or early July. They should begin circulating by mid-month. All remediation will be handled for the customer free of charge by their Ford dealerships.  Related video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. 2020 Ford Escape Hybrid and Plug-In Hybrid