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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.

Weekly Recap: Volvo buys Polestar, makes performance a priority

Volvo is taking its performance business in-house, and the Swedish carmaker announced Tuesday that it bought tuning company Polestar, which has long been known for producing sporty Volvos. The move allows Volvo to ramp up its performance business, and it plans to increase Polestar-branded vehicle sales to 1,000 to 1,500 annually, up from the 750 total projected for this year. The companies have been working together on motorsports projects since 1996. Financial terms of the sale were not released, and Polestar workers will move over to Volvo. Former Polestar owner Christian Dahl will keep control of the Polestar racing team and operate it under a new name. In addition to sales volume, Volvo has ambitious plans for other parts of Polestar, including its aftermarket business. Volvo also said it will use its twin-engine hybrid technology for Polestar models in the future, though specifics and timing were not revealed. Meanwhile, Volvo announced it will offer a run of 265 total Polestars in the United States for the 2016 model year, with S60 and V60s available. "Driving a Volvo Polestar is a special experience. We have decided to bring this experience to more Volvo drivers, placing the full resources of Volvo behind the development of Polestar as the model name for our high performance cars," Volvo CEO Hakan Samuelsson said in a statement. OTHER NEWS & NOTES 2016 Chevy Silverado, GMC Sierra, get nose jobs Automakers tend to refer to light updates as 'facelifts,' and that's exactly what Chevy gave the 2016 Silverado and GMC Sierra. Chevy slightly changed the front end of the truck. Using the one photo released of the new Z71 model as a guide, we can see that the headlights went from a stacked vertical design to single bulbs, and they are set on top of LED running lights. The grille has more body-colored elements instead of shiny metal, and the hood has a new line running down the middle (look really closely). The design theme will be similar across the portfolio, though materials and details will vary, a spokesman said. Some models, like the High Country and LTZ will have more chrome, and the LEDs are only for the upper trims. Chevy also said it will use the eight-speed automatic transmission on more versions of the Silverado, and it updated the MyLink feature to support Android Auto and Apple CarPlay.

249 reasons you want to go to Goodwood Revival

At its most basic, Goodwood Revival is a long weekend worth of car races featuring cars made before 1970. There are lots of those, though, including some pretty great ones all over the world. But nothing is like Goodwood Revival because it's so much more than "just" vintage car racing.  First, you have to look the part. Attendees are strongly encouraged to dress in period clothing from the 1940s, 1950s and 1960s, with a strict dress code enforced should you want to enter the paddock. The goal is to create a more authentic atmosphere to match the cars and the meticulously restored and recreated paddocks, grandstands and other facilities of the reborn Goodwood circuit. Now, the dress code was relaxed this year since the Saturday was literally the hottest Sept. 9 on record in that part of England, and the organizers didn't want people dropping dead because they needed to wear an ascot. Some people definitely took the "relaxed" bit too far, but there was still plenty of atmosphere maintained. It really does make a big difference, as those "relaxed" individuals were often akin to seeing a Starbucks cup in a scene from "Game of Thrones."  You can see what I came up with below along with former Autoblog editor Reese Counts and various other Goodwood attendees. Second, there's the parking lot. But I'll let this entire separate post detail that. Third, there's the enormous carnival-like area featuring vintage-looking rides and various boutiques. Both of those are on the outside portion of the track, and honestly, you could easily just spend your entire day in the parking lot and carnival/shopping area without even crossing over into the circuit area. There you'll find more shops, food and drink opportunities, plus obviously, race car paddocks and the track itself.  Fourth, there are airplanes! I heard there are fewer than in the past, but they're there and they're cool. The Goodwood circuit started out life as the perimeter road around the World War II airfield RAF Westhampnett.  Fifth, with all of the above, Goodwood Revival really is fun for the whole family. It isn't just a bunch of old guys sitting around in lawn chairs. There are plenty of women and adorably dressed children, including babies in vintage prams. It's also not an event that's exclusively for the uber rich, even if they are certainly in full force given who has the sort of money needed to go vintage racing.