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Consumer Reports Said Ford's 47 mpg claim is too high for both vehicles

There are questions regarding Ford's C-Max Hybrid and Fusion Hybrid's advertised 47 mpg, and the U.S. Environmental Protection Agency (EPA) intends to check it out.

Ford's C-Max Hybrid and Fusion Hybrid both show an estimated 47 mpg, but Consumer Reports recently pointed out that neither are living up to the automaker's claims. According to its testing, the C-Max Hybrid received 35/38/37 mpg for city/highway/combined. For the Fusion Hybrid, it found 35/41/39 mpg for city/highway/combined.

"Yes, the disclaimer on EPA fuel-economy labels notes that your results may differ," said Consumer Reports. "But the overall mpg for these C-Max and Fusion models is off by a whopping 10 and 8 mpg, respectively, or about 20 percent. Our overall-mpg results are usually pretty close to the EPA's combined-mpg estimate. Among current models, more than 80 percent of the vehicles we've tested are within 2 mpg."


2013 Ford Fusion Hybrid

Ford responded to the claims, saying that mileage varies among hybrids.

"Early C-Max Hybrid and Fusion Hybrid customers praise the vehicles and report a range of fuel economy figures, including some reports above 47 mpg," said Ford spokesman Wes Sherwood. "This reinforces the fact that driving styles, driving conditions and other factors can cause mileage to vary."

While all vehicles must undergo the EPA test for fuel efficiency, the test isn't actually administered by the government agency. Instead, automakers perform the test and the EPA reviews it. In many cases, factors like temperature and speed result in gas mileage being lower than the EPA sticker.


2013 Ford C-Max Hybrid

Ford's testing found 47 mpg overall for both vehicles, and while it's common for the EPA to review such claims and discover a variation in gas mileage, Consumer Reports complained that this is a pretty big gap between Ford's findings and its own.

The EPA said it will "look at the report and data."

Back in December 2011, Consumer Watchdog called on the EPA to investigate Hyundai over its fuel economy claims. Hyundai claimed that its Elantra achieved 29 MPG in the city and 40 MPG on highway. However, the organization received a higher-than-usual number of complaints that real-world mileage was in the mid-20 mpg range.

From there, the EPA investigated Hyundai for misleading mileage claims and found that the fuel economy estimates of most of its 2012-2013 models were inflated. The same goes for Kia. Both Kia and Hyundai will be lowering the fuel economy estimates on the majority of their 2012 to 2013 models after EPA testing discovered a gap between its data and what both of the companies are claiming.

Hyundai and Kia admitted to overstating the estimated fuel economy on window stickers of about 900,000 vehicles sold since late 2010. Reports show that Hyundai alone could spend $100 million trying to fix the fiasco.

Source: The Detroit News



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Test proceedures suck
By Targon on 12/11/2012 4:01:35 PM , Rating: 2
I have a 2012 Focus SEL, official ratings are 27/37 for city/highway. Now, an interesting thing to note is that based on how fast I drive, I can easily break the 42MPG mark with regular gas with 10 percent Ethanol. The way to do that is to make sure I am doing EXACTLY 60MPH on level terrain. If I am in 6th gear and drive 39 miles per hour, I can break the 52MPH mark.

Note that this is without stop signs, traffic lights, etc. That 39MPH test is interesting to note because it CAN be easily reproduced, but does not include acceleration to get up to that point. With NORMAL driving, I do tend to average in the 33-35MPH range with a combination of normal highway(65MPH), some 42MPH stuff, and a number of traffic lights, stop signs, and general traffic.

If the test track aims to hit the sweet spot of how fast you go, then yea, I can see higher figures showing up. It should also be noted that there is no standard for how quickly or slowly the car should be going as well, how many stops for traffic lights, etc.

Now, if you add start/stop technology, I can easily see the figured I personally get going up by a bit, and a hybrid SHOULD push what I see with a Focus up by at least 3-4 miles per gallon, so 27/37 goes to 30-40, and if I hit 42MPH at 60MPH without hybrid technology, then 47 highway SHOULD easily be possible for the FUSION.

The C-max does seem a bit high since it is a larger vehicle.




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