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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.

Goodbye, Shelby GT350; hello, new Honda Ridgeline and Subaru BRZ | Autoblog Podcast #648

In this week's Autoblog Podcast, Editor-in-Chief Greg Migliore is joined by Road Test Editor Zac Palmer. This week's news includes Subaru teasing the next-generation Subaru BRZ, the Jaguar XE departing and the XF getting an update, Honda unveiling the new Ridgeline pickup and the Acura NSX suffering from slow sales. This week they talk about driving two vehicles on opposite ends of the spectrum: the Ford Mustang Shelby GT350 and the Volkswagen Atlas. Autoblog Podcast #648 Get The Podcast iTunes – Subscribe to the Autoblog Podcast in iTunes RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Rundown Subaru previews next-generation BRZ, announces fall 2020 unveiling date Jaguar XE axed from U.S. market: And then there was one sedan 2021 Jaguar XF gets new interior, down to four-cylinder engines and sedan body style 2021 Honda Ridgeline debuts, and it finally looks like a truck Acura NSX sales lagging Cars we're driving: 2020 Ford Mustang Shelby GT350 Heritage Edition 2020 Volkswagen Atlas Feedback Email – Podcast@Autoblog.com Review the show on iTunes Related Video:

Hot-selling Ford Expedition, Lincoln Navigator get production boost

Ford is investing an additional $25 million in its Kentucky Truck Plant in Louisville to increase by 25 percent production of the hot-selling and all-new Lincoln Navigator and Ford Expedition SUVs. The investment adds to $900 million in previously announced spending at the plant, which also builds F-Series Super-Duty pickups and employs 8,400 workers. Assembly-line workers are putting in overtime and working voluntary weekend shifts to keep up with demand. The new investment will cover upgrades to the assembly line but does not involve further hiring, Ford spokeswoman Kelli Felker says. The popularity of the Ford Expedition and Lincoln Navigator is a bright spot as Ford stock has been battered by Wall Street amid concerns concerns about the automaker's future vision and slowness to detect trends. Ford says the investment is an example of its bid to improve "operational fitness," one of CEO Jim Hackett's common refrains. Ford says Navigator retail sales more than doubled in January, and Navigators are spending an average of just seven days on Lincoln dealership lots as customers trade in vehicles including Land Rovers and Mercedes-Benz. Nearly 85 percent of buyers are opting for high-end Black Label and Reserve trim packages, contributing to an average transaction price increase of more than $21,000 in January compared to a year ago. The 2018 Navigator won the North American Truck of the Year award and also topped a Detroit News poll of public favorites at last month's Detroit Auto Show. Sales of the Expedition, meanwhile, were up almost 57 percent last month as the full-size SUVs also spent an average of just a week on dealer lots. Platinum trim models represented 29 percent of sales, pushing transaction price increases up $7,800. Ford gave the 2018 Expedition an all-aluminum body to save mass in its first significant redesign since 2007. The plant last year got nearly 400 new robots, mainly in the body shop, to help increase line speed, and Ford added a robot lab where employees can test software tweaks or troubleshoot issues away from the factory floor. The Louisville plant also benefits from extensive new data analytics, with seven big-screen monitors providing minute-by-minute updates showing progress against hourly targets or alerting workers to pending parts shortages. A huge spare-parts "vending machine" lets workers more quickly locate needed parts and keep inventory at necessary levels.