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Chris Harris pits Fiesta ST against Mercedes G63 AMG in 0-60 battle... sort of

Vehicle performance tests are serious business, with reputations made or broken by things like braking distance, top speed, and lateral g-forces. King of the metrics, though, is the 0-60 run, which for unknown reasons has become the benchmark for what truly makes a car a performance machine.
Now, Chris Harris from Drive has turned the whole idea behind the sprint to 60 on its ear. Taking a new Ford Fiesta ST, Harris asks a simple question: would the ST be quicker to 60 on its own, or on a trailer being towed by a Mercedes-Benz G63 AMG?
It's a fair question, really. The Fiesta Harris tested hit 60 in 7.2 seconds on a slightly uphill section of runway. It should be noted that Harris quotes his ST at 182 horsepower, which is about 15 ponies less than what we're getting in the US, so these numbers might not hold up all that well against an American model. The G63 AMG, meanwhile, is a 536-horsepower monster, powered by a twin-turbo V8 that, able to propel the big SUV to 60 mph in just 5.2 seconds without towing a Fiesta.

NHTSA closes rollaway investigation into 1.56M Ford SUVs

It's taken four years of study, but the National Highway Traffic Safety Administration has finally closed the books on its investigation into rollaway accusations surrounding 1.56-million Ford SUV models.
The probe, which centered on the 2002-2005 Ford Explorer, 2002-2005 Mercury Mountaineer and 2003-2005 Lincoln Aviator, ends without the federal agency calling for a recall. According to The Detroit News, the investigation was closed due to a "low number of complaints" - NHTSA documented 180 such complaints that resulted in 14 crashes and six minor injuries, but the number of incidents have been slowing. The suspected defect rate for the trucks' automatic transmissions was found to be 4.4 per 100,000 units, and the brake-shift interlock mechanism failure rate was judged to be even lower at 3.4 per 100k.

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.