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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 blows up Takata airbag recall by over 447k vehicles

Ford is the latest automaker to announce an expansion to its Takata driver-side airbag inflator recall, and the latest increase adds an additional 447,310 vehicles to the nationwide total. The company says that this expansion comes at the request of the National Highway Traffic Safety Administration. The expanded recall campaign covers: The 2005-2008 Ford Mustang built between August 18, 2004, and June 25, 2007, at the at Flat Rock Assembly Plant The 2005-2006 Ford GT built between February 11, 2005, and January 30, 2006, at the at the Wixom Assembly Plant As of December 18, Ford knows of a total of 502,489 vehicles in need of replacement driver side inflators. Of those, 462,911 are in the US, 27,516 in Canada, 7,578 in Mexico and 4,484 outside of North America. The automaker is aware of one injury that may be related to these exploding parts. Earlier in December, the automaker issued an expanded recall covering passenger side Takata airbag inflators for the Ranger pickup and Ford GT. When taking this into account, the grand total of Ford products with inflators that need replacement for the driver or passenger side is 538,977 vehicles. Scroll down to read the company's full announcement of this enlarged safety campaign. FORD EXPANDS TAKATA DRIVER-SIDE AIRBAG INFLATOR SAFETY RECALL DEC 18, 2014 | DEARBORN, MICH. At the request of the National Highway Traffic Safety Administration, Ford is expanding its recall on Takata driver-side airbag inflators. This recall includes approximately 502,489 vehicles, an addition of approximately 447,310 vehicles. This brings the total number of Ford vehicles being recalled for Takata airbag inflators to approximately 538,977. This expanded recall includes 2005-2008 Ford Mustang vehicles built Aug. 18, 2004 to June 25, 2007 at Flat Rock Assembly Plant and 2005-2006 Ford GT vehicles built Feb. 11, 2005 to Jan. 30, 2006 at Wixom Assembly Plant. As of Dec. 18, 2014, Ford is aware of approximately 462,911 vehicles in the United States and federalized territories, approximately 27,516 in Canada and approximately 7,578 in Mexico affected by this recall. Approximately 4,484 additional vehicles outside of North America are also included in this action. Ford is aware of one accident with an injury that may be related to this condition. Dealers will replace the airbag inflator at no cost to the customer.

Ford trademarking 'Mach 1,' possibly for Mustang

A legendary name might be accompanying the redesigned, 2015 Mustang when it finally makes its world debut - Mach 1. Stumbled upon by the team at Ford Authority, the Mach 1 title was found in a trademark filing with the US Patent and Trademark Office, and would revive a name last used on the fourth-generation, 2003 Mustang.
While the the 2003 vintage was well and good, the Mach 1 is really remembered for a three-year run from 1969 to 1971 - it's best to just forget the emissions-choked 1972 to 1978 Mach 1s - when power output ranged from a modest 250 horsepower with the two-barrel, 351-cubic-inch Windsor V8 to "375 hp" (actual output was rumored to be well north of 400 horsepower) with the righteous, 429-cubic-inch Super Cobra Jet V8.
What does the title hold for the sixth-generation Mustang? It's tough to say. The fanatics at Ford Authority seem to think Mach 1 could take the place of the Shelby GT500 at the top of the Mustang hierarchy, which sounds like a valid argument. At the same time, we could see the SVT Cobra moniker returning for the flagship model, and the Mach 1 doing battle with the Chevrolet Camaro Z/28 (unless the Boss 302 were to return). Confounding things is the historical precedent - the Mach 1 was responsible for the death of the Mustang GT in 1969, so it might make sense as a volume performance model.