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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.

First-edition Detroit muscle raises millions for charity at Barrett-Jackson

Amidst all the classic metal crossing the auction block each year in Scottsdale, AZ, Detroit automakers have a tradition of donating the first examples of their most enticing new muscle cars, with the proceeds of their sales going towards worthwhile charities. This year, Barrett-Jackson handled three noteworthy examples. The highest price among them was the first Ford Shelby GT350R Mustang with the VIN #001, which raised $1 million for the Juvenile Diabetes Research Foundation. General Motors donated the first new Chevy Corvette Z06 Convertible, the first retail example of the droptop supercar garnering $800,000 for the United Way. Along with the Z06, GM also donated the first new 2016 Cadillac CTS-V sedan, which brought in $170,000 for Detroit's College for Creative Studies. Although these were the headline Motown muscle machines furnished by the automakers themselves, they weren't the only vehicles auctioned off for worthy causes. A 1950 GM Futurliner bus donated by collector Ron Pratte led the charge when it brought in $4.65 million for the Armed Forces Foundation. Other lots included a custom Jeep Wrangler donated by SEMA ($85k), a new M5 donated by BMW ($800k), a '79 Oldsmobile Cutlass Hurst ($140k), '39 Cadillac LaSalle C-Hawk ($410k), Jeff Gordon's 1999 NASCAR-spec Chevy Monte Carlo ($500k) and a Victory Cross Country 8-Ball motorcycle ($180k). All told, the charity lots raised over $8.7 million for local and national charities. BARRETT-JACKSON REACHES HISTORIC HIGHS FOR SALES, CROWDS AND CELEBRITY APPEARANCES IN SCOTTSDALE • Barrett-Jackson sold 1,611 vehicles, which went for more than $130 million (unaudited), smashing records in the company's 44-year history during the 10-day auction at WestWorld of Scottsdale • Automobilia sales nearly tripled world records, with 2,000 pieces selling for more than $6.55 million • Celebrity attendance and crowds, along with ratings on Discovery and Velocity, spike SCOTTSDALE, Ariz. – Jan. 18, 2015 – Barrett-Jackson, The World's Greatest Collector Car AuctionsTM, reached historic highs during the Scottsdale auction at WestWorld from Jan. 10-18, 2015. During the 10-day auction, Barrett-Jackson recorded more than $130 million in vehicle sales (unaudited) and a world record $6.55 million in automobilia sales (unaudited), making it the highest auction in sales to date. The Ron Pratte Collection alone brought in over $40.44 million in vehicle and automobilia sales.

1994 McLaren F1 LM-Specification fetches $19.8M at Monterey

The botched sale of that World War II-era 1939 Porsche Type 64 may have somewhat overshadowed the RM Sotheby’s auction last weekend at Monterey, but the event wasnÂ’t without its highlights. Exhibit A: The one-of-two 1994 McLaren F1 LM-Specification supercar that we told you about a month ago netted a whopping $19.8 million at the RM SothebyÂ’s auction last weekend in Monterey, and an almost equally rare 1965 Ford GT40 Roadster Prototype also netted seven figures.  The F1 is one of 106 examples ever built and one of just two in LM-Specification (the LM stands for “Le Mans”). McLaren upgraded the standard F1 at the factory post-production, adding a 680-horsepower GTR engine, an extra-high downforce coachwork kit highlighted by the massive rear wing, race-spec dampers, two more radiators and so forth. It also gained a more comfortable interior and creature comforts, with an upgraded air conditioning, radio, new headlights and a different steering wheel. Finally, the exterior was given a coat of silver paint, replacing the factory blue. Four bidders spent four-and-a-half minutes trying to outbid one another for the car, which eventually went to an unidentified American private collector. Also successfully auctioned on Friday: the 1965 Ford GT40 Roadster Prototype for $7.65 million, which fell right in line with expectations of between $7 million and $9 million. It helped pave the way for the Mark IV race cars that won the 24 Hours of Le Mans. As a reminder, it was the first of five GT40 Roadster Prototypes ever built, with seven hardtop versions also built, and it underwent a full restoration in 1983 and a mechanical overhaul in 2003. And it sure is pretty to look at.