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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.

2015 Ford Mustang gets pricing, configurator and less weight than expected

It's here; it's finally here. No more speculating or looking at dealer order guides, the configurator for the 2015 Ford Mustang is finally online. That means you should put down whatever you're doing and build your new 'Stang. Weight data for the new model has also leaked out, and while there is an increase, it's less than previously rumored.
The basic V6 coupe carries a base price of $23,600, plus an additional $825 destination charge for all models. Upgrading to the 2.3-liter Ecoboost costs $25,170, and the Ecoboost Premium is $29,170. If you need a V8 in your life, the Mustang GT is $32,100 or $36,100 with the Premium package. That puts the starting price up about $1,000 over the previous generation for the V6, but the turbocharged four-cylinder starts about $1,400 less than the V6 Premium, which is no longer available. Prices for both V8 models jumped about $1,000, as well.
If you need the convertible Mustang, the V6 starts at $29,100, excluding destination, $1,590 more than last year. The Ecoboost Premium 'vert is $34,670, and the GT droptop is $41,600.

Watch these Australian Ford and Holden muscle cars duke it out

Australia's Motoring has put together a little video on two of the great performance vehicles available down under - the Holden VF Commodore HSV GTS and the Ford Falcon FPV GT R-Spec. And while both FPV and the Falcon might be on their way out, there's still plenty of time for a little head-to-head comparison between the two.
The cars aren't all that well evenly matched, though. The Ford boasts a 5.0-liter, supercharged V8, which the Aussies measure out at 449 horsepower and 420 pound-feet of torque. The HSV, though, with its Corvette-derived, 6.2-liter, supercharged V8 is just too powerful - 576 hp and 545 lb-ft of torque.
Predictably, it doesn't end too well for the Ford. As the guys from Motoring point out, the new VF Commodore is just too new and too good, with its extra power and its adaptive dampers (GM's excellent MagnaRide). Interestingly, Motoring did point out that the Holden's electric steering is better than the Ford's hydraulic steering, which is a lot like a Porsche purist saying they prefer water-cooled engines to air cooled.