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EPA says it will more closely monitor fuel economy claims from automakers

The unintended acceleration brouhaha at Toyota led to the National Highway Transportation Safety Administration tightening the vise on recall procedures. Likewise, the fuel economy kerfuffle that blew up with Hyundai and Kia's admission of overstated fuel mileage claims could lead to the Environmental Protection Agency policing automaker assertions by performing more audits.
At least, that's what a senior engineer with the government agency said while in Michigan giving a talk, according to a report in Automotive News. What that actually means, however, is still in question. Just ten to 15 percent of new vehicles - something like 150 to 200 cars per year - are rested by the EPA to verify automaker numbers. The EPA's own tests include a "fudge factor" to adjust lab mileage for real-world mileage, and the agency still relies on automakers to submit data for tests that it doesn't have the facilities to perform. How much more auditing can the EPA really expect to do, or perhaps a more relevant question would be how much more accurate could the EPA's audits become?
The price of gasoline, the psychological importance of 40 miles per gallon to a frugal car buyer, an automaker wanting to further justify the price premium of a hybrid, all of these things contribute to fuel economy numbers that insist on creeping upward. Perhaps the senior engineer encapsulated the whole situation best when he said, "Everybody wants a label that tells you exactly what you're going to get, but obviously that's not possible. A good general rule of thumb is that real-world fuel economy is about 20 percent lower than the lab numbers." If the lesson isn't exactly 'buyer beware,' it's at least 'buyer be wary.'

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Hyundai admits 'error' in KDM Sonata fuel economy announcement

Stop us if you've heard this one before: Hyundai is going to have to reduce the officially announced miles-per-gallon number for its 2014 Sonata. While there's a lot of similarity between this new situation and events that transpired in 2012, there are some important differences. For one, the new mileage mistake, which Hyundai says was once again caused by an error at its test centers, is only applicable to cars in the Korean Domestic Market. Secondly, it's not so much mpg as kilometers per liter. "We are very sorry for causing confusion to reporters" - Hyundai According to Reuters, the numbers for the Korean Sonata were originally announced as 12.6 kilometers per liter (29.63 mpg), a six-percent increase over the previous model. The automaker has just announced that government verification showed an actual result of 12.1 kpl (28.46 mpg), which is only a two-percent increase. Since these numbers were done using the South Korean economy test, they are not equivalent to the US EPA numbers, the latter of which say the 2014 Sonata gets 36/40/38 miles per gallon. The correction came before the new Sonata went on sale in South Korea. In an official statement, Hyundai said, "We are very sorry for causing confusion to reporters." Hyundai Motor America's Jim Trainor, product public relations senior group manager, assured AutoblogGreen that the Korean error will have "no effect" on US ratings. In 2012, Hyundai and Kia faced a media and consumer firestorm after being caught up in exaggerated mileage claims for vehicles like its 2013 Accent, Veloster and Elantra. The sister companies agreed to compensate buyers to the tune of $395 million for what they said were "honest mistakes" and "human error" during in-house fuel economy tests. There is no word yet on whether similar customer satisfaction actions will follow this domestic market snafu.