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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 Transit gets outfitted for prison duty

Between the Taurus-based Police Interceptor, the Explorer-based Police Interceptor Utility and the F-150 and Expedition special service vehicles, Ford has no lack of offerings for law enforcement. And now it has one more in the form of the new Transit PTV.
Based on the fullsize Transit van, the Prisoner Transport Vehicle can move as many as 12 prisoners in three separate compartments between detention facilities. Created in collaboration with Pennsylvania-based Havis Prisoner Transport Solutions and with input from Ford's Police Advisory Board, the Transit PTV takes advantage of the Transit's considerable configuration options that include three roof heights, two wheelbases, three lengths and four body-styles - not to mention engine options that include the flex-fuel 3.7-liter V6, 3.5-liter EcoBoost and 3.2-liter Power Stroke diesel.
"Transit PTV is the latest example of Ford's deep commitment to helping provide law enforcement agencies with capable vehicles. This concept proves Transit is upfit-ready and designed to Built Ford Tough standards," said Jonathan Honeycutt, Ford police marketing manager. "Many Police Advisory Board members have had the chance to drive this vehicle and they are excited about it. This new vehicle is tough, smart and efficient - ideal for the needs of law enforcement agencies."

Autoblog Podcast #417

Episode #417 of the Autoblog Podcast is here, and this week, Dan Roth, Steven Ewing, and Brandon Turkus talk about what we're expecting to see at the upcoming 2015 Chicago Auto Show that kicks off on February 12. Of course, the podcast starts with what's in the garage and finishes up with some of your questions, and for those of you who hung with us live on our UStream channel, thanks for taking the time. Check out the rundown with times for topics, and you can follow along down below with our Q&A. Thanks for listening! Autoblog Podcast #417 The video meant to be presented here is no longer available. Sorry for the inconvenience. Topics 2015 Chicago Auto Show In The Autoblog Garage 2015 Bentley Continental GT Speed 2014 Ford F-150 Tremor Long-Term 2015 Volkswagen GTI Long-Term 2014 Jeep Cherokee Hosts: Dan Roth, Steven Ewing, Brandon Turkus Runtime: 01:25:53 Rundown Intro and Garage – 00:00 Chicago show – 27:37 Q&A – 47:27 Get The Podcast UStream – Listen live on Mondays at 10 PM Eastern at UStream iTunes – Subscribe to the Autoblog Podcast in iTunes RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Feedback Email – Podcast at Autoblog dot com Review the show in iTunes