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11 vehicles from Barrett-Jackson Las Vegas worth watching

This weekend will see the world's collector car crowds descend on Las Vegas, NV for one of the biggest shows on Barrett-Jackson's popular auction circuit. There are hundreds of vehicles up for bidding, ranging from a brand-new Lamborghini Aventador to a spattering of Art Deco classics and a huge swath of classic muscle cars.
While it's virtually impossible to assemble an inarguable list of the best cars coming during the three-day, 700-plus vehicle auction, we've sifted through the listings for this year's show - it was a tough assignment, we promise - and assembled a list of what we think will be some of the most interesting lots. We'll admit, it's a bit heavy on American iron, but if you browse BJ's listings, you'll come to a similar conclusion. Still, scroll down for our list of what we think will be the most interesting vehicles at the upcoming auction.

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.

Auto investor Kirk Kerkorian dead at 98

Kirk Kerkorian, among the most talked-about investors in the American auto industry in recent memory, died at the age of 98 in Los Angeles on Monday, June 15. The billionaire ran the investment company Tracinda Corp. and was the largest shareholder in MGM Resorts International. Kerkorian attempted to use his power as a well-financed investor to push the auto industry in some fascinating ways. In 2006, he used his nearly 10-percent stake in General Motors to push a merger with the Renault-Nissan Alliance. The deal made it as far as discussions, but eventually fell through. Kerkorian also attempted to purchase Chrysler - twice. According to Automotive News, the first effort came in 1995 with a $22.8-billion offer for the automaker, and soon after it failed the company merged with Daimler. Then in 2007, Kerkorian was back with a bid for $4.5 billion, but things eventually fell to Cerberus. The billionaire finished the trifecta by buying up $1 billion in Ford stock in 2008 to make Kerkorian the single largest investor in the company. However, the situation didn't last long, and by the end of that year, he had unloaded the shares. According to Automotive News, Kerkorian was ranked by Forbes as the world's 41st richest man in 2008 with a net worth of $16 billion. News Source: Automotive News - sub. req.Image Credit: Joe Cavaretta / AP Photo Celebrities Earnings/Financials Chrysler Ford GM obituary