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The tricky business of octane, power, and MPG

Given tepid green-car sales numbers this year, consumers in the US aren't making the transition away from internal combustion engines too quickly. Regulations are still mandating cleaner emissions, though. In addition to downsizing and turbocharging, there's growing consideration about moving to higher-octane fuel to improve overall efficiency. In a new report, engineers at FCA, Ford and General Motors Powertrain are showing that it could work, too. The major advantage to higher-octane fuel is that it supports higher compression ratios. That in turn can lead to more power from burning the same amount of gas. "Higher ethanol content is one available option for increasing the octane ratings of gasoline and would provide additional engine efficiency benefits for part and full load operation," the researchers write in the study's abstract. The authors even think it could be possible to update some modern vehicles' engine calibration to be optimized for the better gas. While the benefits are there, we still have a long way to go before higher-octane fuel becomes a national standard. According to Green Car Congress, 87 percent of the gas sold in the US is regular grade 87-octane. Meanwhile, premium 91-93 octane makes up just 10 percent. The various grades of fuel illuminate even more annoyances with the current system. For example, Ford generally recommends 93-octane for EcoBoost engines, and the power outputs that the company publishes are based on using it. However according to Green Car Reports, such premium gas is very difficult to find in some regions of the US, especially along the West Coast. The powertrains still run on lesser grades but with lower power output. The researchers' discussion of possibly increasing ethanol in gas also comes during a heated debate on the substance. The current administration is pushing for less of the corn-based fuel in the coming years. Although, several presidential hopefuls might be favor of reversing that course.

Ford rolls out Vignale Mondeo for upscale European buyers

North American buyers looking for a luxury automobile from Dearborn know to turn to Lincoln, but overseas, the Ford brand itself appeals to upscale customers with its own products. The Blue Oval automaker unveiled a premium take on the Taurus for the Chinese market at the Shanghai Motor Show this weekend, and in Europe it's rolling out the Vignale sub-brand with the model you see here. Previewed in concept form a year and a half ago at the Frankfurt Motor Show, the Vignale line revives the name of a storied Italian coachbuilder that Ford acquired (together with Ghia) back in 1973. Now ready for production, the first Vignale model upgrades on the Mondeo (which we know as the Fusion) with a number of high-end features. The cabin space is altogether more luxurious, featuring high-end, laser-cut leather trim with hexagonal quilting and "tuxedo" stitching. The multi-contour front seats have a massage function, and occupants are better isolated from the road via upgraded sound insulation and active noise cancellation. The Ford Vignale Mondeo benefits from all the latest safety-convenience and infotainment technologies, including an optional Sony digital audio system with twelve speakers. The exterior is made to look more upscale as well, with unique metallic paint finishes, special chrome trim, 18-inch alloys and the requisite special badging to set it apart from ordinary Mondeos. Buyers will be able to choose between sedan or wagon body styles, front- or all-wheel drive and from a number of engine options. There's a 2.0-liter EcoBoost four with 237 horsepower, a 2.0-liter turbodiesel available with 177 or 207 hp, and a gasoline-electric hybrid system with 184 hp. Each vehicle is hand-finished and individually inspected at the Vignale Centre at Ford's plant in Valencia, Spain, and will be offered through select dealerships outfitted with premium Vignale Lounges. Customers will also benefit from access to a dedicated "relationship manager," customer assistance operators on call 24 hours a day and a companion app, but of course none of these features come cheap: At around GBP30k in the UK, the price of a Vignale Mondeo comes close to that of an Audi A6 or Jaguar XF, and it'll be up to individual buyers to decide whether the spruced-up Fusion is worth the premium. Look for a Vignale version of the S-Max to follow.

2015 Ford Mustang: Obsessively covered [w/videos + poll]

Here at Autoblog, we've officially stamped December 5, 2013, as Ford Mustang Day. Sure, the sixth-generation Pony Car started leaking out onto the web days ago, but all of the official, non-embargoed hotness has come out today. And man, there's been a lot.
In terms of new car debuts, this is a really big one - not unlike all of the Corvette madness that kicked off the 2013 automotive season. So to make sure you haven't missed anything, here's a wrap-up of everything you need to know about the 2015 Ford Mustang.
Deep Dive: 2015 Ford Mustang