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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.

Shelby American cleans house of 14 concept cars

Typically when an automaker rolls out a concept car or pre-production prototype, it does its tour and then disappears into the company's archives. Maybe it will be displayed for the public to see in the company's own museum or maybe it will spend most of its time under covers in a warehouse somewhere, but every once in a while, an automaker will open up its history and start selling off its concept cars. For Shelby American, "once in a while" has just rolled around.
The House that Carroll Built is moving from its previous headquarters at Las Vegas Motor Speedway to a new facility off of the Las Vegas strip, and in the process is liquidating fourteen of the rarest cars in its collection. That presents a tremendous opportunity for muscle car collectors to bring one or more of these snakes home.
As you might expect, the catalog is composed mostly of Mustangs, but not exclusively. There's a pair of 289 Cobras: the last of the 50th anniversary slab-sided continuation cars and an original development vehicle, offered at $200,000 apiece. At the other end of the spectrum you'll find the 2013 Shelby Raptor concept for $125k and Focus concept for $50k. And of course there are the Mustangs.

Mulally will stay close to Ford after he steps down, plans to advise Fields [w/video]

Ford CEO Alan Mulally has less than a week left in his role of leading the Blue Oval before he hands off duties to Mark Fields on July 1. It doesn't look like Mulally is going to be shuffling off into his retirement anytime soon, though. The 68-year-old is being rather secretive about his next move, but he tells Bloomberg in a recent interview that he plans to stay close to Ford. Also, if Fields wants to ask for any advice, Mulally is happy to help.
Mulally took over at Ford in 2006 and led the company through a seriously rough patch in the auto industry. According to Bloomberg, he became famous or his Thursday meetings where executives were forced to deal with any problems before they could leave. Since announcing his retirement from Ford in May, Mulally has been insuring a smooth transition of power by traveling the world to all of company's major locations and saying goodbye to employees and dealers.
In terms of the future at Ford, Mulally doesn't predict any big changes in management style because the rest of the executive team is staying in place. He believes that Fields is going to maintain the processes already in place to keep things going. After all, it seems to be working. The company is predicting a return to profitability in Europe next year and is opening 88 new dealers in China. If the business could get its recalls under control, things could get even better.