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Watch the Hennessey Ford GT makes its record run at Texas Mile

We said they'd probably be out with an official video, we did not lie. The Hennessey-powered camouflage Ford GT sat at one end of the runway at the Texas Mile sitting still. At the other end of the runway it had broken its own speed record, the twin-turbo 5.7-liter V8 pushing the aerodynamic supercar up to 267.6 miles per hour, a 4.3-mph improvement over the old mark.
There's not much in the video you haven't already seen, this just makes it official. That said, who doesn't want to see a twin-turbo Ford GT set an incredible speed record? You can watch it below.

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 overlooks the Big Apple in the 2015 Mustang Convertible [w/video]

Ford has done it again. Like in April of 1964, there is once again an all-new Mustang Convertible sitting on the observation deck of New York City's Empire State Building. This has been in the making for a little while, with the first report that Ford would recreate the sky-high publicity stunt coming out a few weeks back.
The process of getting the Mustang up there wasn't exactly easy. A Troy, MI-based company chopped up the new droptop, a necessary evil to get the Mustang on the Empire State Building's only freight elevator that runs to the 86th floor observation deck. But it was slightly more involved than just taking the car apart. The company, DST, built a mockup of the ESB's freight elevators, and then practiced its cuts on a second pre-production Mustang Convertible (measure twice, cut once).
The result of all this work are the images you see above. Yes, sitting in the crisp, morning air of midtown Manhattan, over 1,000 feet up, is this brilliant, Triple Yellow Mustang. Take a look up top for our gallery of images from today's event. You can also scroll down for videos and images of the process leading up to the ESB debut.