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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.

Editors' Picks February 2021 | Ford F-150, Genesis GV80, Mazda CX-30 and more

If we’ve driven and reviewed it, thereÂ’s an Autoblog Rating for it. ItÂ’s been over two years since we launched a new rating system to help you evaluate cars at a glance. We tweaked and improved it along the way and quickly arrived at a consistent process for giving each and every car on sale today a fair score. Cars that are exemplary or stand out in their respective segments get EditorsÂ’ Pick status. Those are the ones weÂ’d recommend to our friends, family and anybody whoÂ’s curious and asks the question. Every car we rate gets a score from 1 to 10, making it easy for you to tell if itÂ’s a car worth pursuing and possibly purchasing. YouÂ’ll find the scores of previously-rated cars attached toward the top of our written reviews. For example, the Bronco SportÂ’s rating can be found here. The Acura TLXÂ’s rating is in this post, and the Nissan RogueÂ’s rating is right here. There are hundreds of examples to be found. The above examples make up the most natural ways to find the Autoblog rating when researching for your next car, but starting today, weÂ’re going to begin calling out each new set of Editors' Picks per month in their own breakout stories. This will put the newest and most recently refreshed cars on sale on a pedestal for you to see which ones are worth your while. WeÂ’ll typically rate anywhere between 5-10 new cars per month, so you can count on just a select few from those to make this list. Expect to see this recurring ratings post each month going forward, and read on for FebruaryÂ’s EditorsÂ’ Picks.   2021 Genesis GV80 2021 Genesis GV80 View 18 Photos Quick take: The stylish GV80 offers useful safety features, compelling design and sporty dynamics to push it near the top of the segment. Genesis takes risks with this aggressive crossover, and the result is a luxurious vehicle that is rewarding to drive. Score: 8.5 What it competes with: Lincoln Aviator, Volvo XC90, BMW X5, Mercedes-Benz GLE-Class, Acura MDX, Lexus RX Pros: Beautiful design, good road manners, awesome value Cons: Small third row and cargo space, less comfortable standard suspension  From the editors: Editor-in-Chief Greg Migliore — “The GV80 is a hugely important vehicle for Genesis. It makes a style statement, has an elegant interior and is a compelling all-round execution. It looks like a Bentley, and I give Genesis props for taking some risks with the GV80 and largely pulling it all off.

Toyota hangs on to title of world's largest automaker for first half of 2013

General Motors and Ford can have all the success they please, but it doesn't seem like America's two largest manufacturers are going to topple Toyota in the first half of 2013. According to Reuters, Toyota moved 4.91 million vehicles in the first six months of 2013, representing a 1.1-percent drop from the same period in 2012.
GM is on the rise, though, with a four-percent increase in global sales, to 4.85 million. Volkswagen, still sitting in third, saw a 5.5-percent jump to 4.7 million vehicles in the first half of 2013.
If this pace continues for Toyota, it'll finish 2013 in the top sales spot for the second year in a row. The manufacturer fell to third, behind GM and VW, in 2011 after earthquakes and tsunamis ravaged its production capacity.