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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.

Ford Australia reveals updated Territory, Falcon via Twitter

Ford may have tied together much of its global lineup under the One Ford campaign, but one market where it still offers unique products is Australia. That will soon draw to a close as well, but before it does, the Blue Oval's Aussie operations are rolling out refreshed versions of its two unique products. For the moment, Ford isn't revealing much in the way of powertrain details, but it has shown off a couple of snaps of the revised products on its in-market Twitter feed.
First up is the new Territory. The SUV is neither based on a front-drive crossover platform nor on a truck frame, but shares its rear-drive underpinnings with the Falcon, taking it a step beyond the Falcon wagon alongside which it sits in Ford's Aussie range. Like the outgoing third-generation SZ Territory, the facelifted version is dominated by a narrow grille and larger front air dam, but further punctuates its big-chinned look with more rugged lower cladding and other metallic inserts that bring its look up to date.
And there's the Falcon, which Ford revealed in XR8 trim just last week and is now presenting in G6E spec. If the XR8 is the performance model, the G6E is the luxury version, swapping in more refined trim like a chrome-slat grille (instead of a black honeycomb), chrome foglamp surrounds, less-aggressive multi-spoke wheels (instead of five-spokes) and a flatter hood (instead of a power bulge). Otherwise, it looks essentially the same as the one we saw last week, its facelift bringing it more in line with the smaller, front-drive Mondeo (which we know here as the Fusion) and other members of the Ford family.