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EPA says fuel economy test for hybrids is accurate

The EPA says it stands behind its fuel economy test for hybrid vehicles following controversy about the testing process after Ford C-Max Hybrid customers and automotive journalists alike struggled to achieve 47 miles per gallon, the advertised mpg number, Automotive News reports. Ford responded to the issue almost two weeks ago by claiming that a 1970s-era EPA general label rule was responsible for the inaccurate mileage numbers, rerating the C-Max Hybrid's mpg numbers and offering customers rebates. Ford later said it didn't overstate the C-Max Hybrid's fuel economy and that it was surprised by the low numbers.
Ford technically didn't do anything wrong because it was following the general label rule, but agency regulator Christopher Grundler says the automaker was exploiting a loophole when it came up with the hybrid C-Max numbers, and that the testing process remains accurate. The general label rule allows vehicles that use the same engine and transmission and are in the same weight class to share fuel economy numbers, but it doesn't take into account other factors such as aerodynamic efficiency, which affects hybrids more drastically than non-hybrid vehicles. Ford originally used the Fusion Hybrid economy figures for the C-Max Hybrid and claimed the engineers didn't realize that its aerodynamic efficiency would affect fuel economy as much as it did.

Ford readying dozen+ Mustang models for SEMA

Ford is unsurprisingly bringing a herd of its new 2015 Mustang models to next month's SEMA show in Las Vegas. Over a dozen of them are arriving from top aftermarket outfits like Galpin Auto Sports, Steeda, Roush and others. The Blue Oval isn't just shining a spotlight on the V8 model, though. The new EcoBoost 2.3-liter version with 310 horsepower and 320 pound-feet of torque is also getting its time in the sun.
Among the shined-up ponies will be a showcar helping Galpin celebrate the Mustang's golden anniversary, with the car is covered in the precious metal. The black paint over the body has gold flecks in it, and the wheels, side sills, brake calipers and badges all match, as well. However, it takes more than something shiny to truly impress at SEMA, and Galpin's Mustang also packs a Whipple supercharger for the 5.0-liter V8, boosting the bottom line to 725 horsepower. Take that, Hellcat. There's even a window in the hood to look through, not unlike a Chevrolet Corvette ZR1. The coupe also wears new headlights with LED turn signals that activate in sequence, just like the taillights, and the interior features black-and-gold Recaro seats.
Also set for its SEMA debut is an MRT showcar that takes the EcoBoost Mustang for a gallop with its TKO treatment. The black and orange two-tone car has been designed to incorporate select road racing elements. Mechanical upgrades include 14-inch brake rotors with new ducts, a Vortech air-to-air intercooler and an Air Lift suspension. The Mustang also shows off the company's products for added style and performance including a hood with integrated heat extractors and a unique front splitter.

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.