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Results Still Mixed As Fewer Light-Duty Trucks, SUVs Meet Current Standards

Consumer Federation says 2025 CAFE standards are "achievable" and that automakers are making progress.

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Fuel-Efficiency Down 0.6 MPG From August 2014 Peak

The average US new-car fuel economy fell 0.2 miles per gallon to 25.2 mpg for April.

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PHEV SUV's All-Electric Range Will Be About 27 Miles

Volvo's plug-in hybrid version of the XC90 SUV will get 112 miles per gallon-equivalent.

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Over 1,357 Mostly Highway, Miles, We Get 42 MPG

Over 1,300 miles in a diesel-powereed Chevy Cruze between Michigan and West Virginia, our columnist find a deeper appreciation for oil burners.

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Agency Announces Automakers Are Ahead In GHG Emissions Game

For the 2013 model year (and the second year in a row), the auto industry is making cars that are 1.4 mpg cleaner than the regulations say they need to be right now.

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Fuel Economy Remains Unknown, But This Tech Can't Hurt

The 2016 Honda Pilot SUV will be the first time the Japanese automakers will use fuel-saving stop-start technology in a non-hybrid vehicle.

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Nissan Leaf Sales Fall, While Toyota Green Car Sales Little Changed

US green-car vehicle sales in January fell 8.6 percent from a year earlier, as Ford, General Motors falter.

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Fuel Economy Rose In January, But Remains Below August 2014 Peak

Average US new-car fuel economy rose 0.3 miles per gallon to 25.4 mpg in January, according to new numbers from UMTRI.

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We've been hearing for a while that the steady drop in US fuel prices are hurting sales of fuel-efficient cars like hybrids and plug-ins. As far as driving habits, though? Lower prices are the pump are having little impact on how much people are behind the wheel, according to the US Energy Information Administration (EIA).

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It's almost impossible not to notice that it's a lot cheaper to fill up at the gas station in the latter portion of this year. As of December 1, the US Energy Information Administration said the average cost of a gallon of gas was $2.778, down almost 50 cents from a year ago. In general, fuel prices have been on the decline for much of 2014, and the effects have started showing themselves with people seemingly more willing to buy lower efficiency vehicles.

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Transport And Environment Says WLTP Can't Come Soon Enough

It's expected that Mercedes, like any automaker, aspires to be number one. But we've found a case where being at the top of the list is unlikely to be something of which Daimler is going to boast. That's because we're talking about the automaker most likely to cheat the European fuel economy tests.

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Hyundai and sister company Kia are giving themselves a little bit of time to make up a lot of ground in the fight for better fuel economy. We wonder if a recent multi-million fine might have something to do with this public target.

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SkyzMatic Telematics System Will Offer Remote Tracking, More

Elio Motorz is getting zerious with Infinite Skyz. The highly efficient three-wheeled vehicle isn't due until late 2015 (and that may change based on the result of Elio's DOE Advanced Technology Vehicles Manufacturing loan request) but we now know that the 84-mpg trike can be connected to the cloud with Infinite Skyz's SkyzMatic vehicle connectivity system option.

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"Cheating Is Not Profitable," Attorney General says

Nearly two years after Hyundai and Kia announced they exaggerated fuel economy numbers for several of their most popular models, the two Korean automakers have paid a heavy penalty for the transgressions.

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Largest penalty for violation of Clean Air Act in U.S. history

Korean automakers Hyundai and Kia will pay the U.S. government a $100 million penalty to end a two-year investigation into overstated gas mileage claims on about one-third of their models.

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If you say a car – the Ford C-Max Hybrid, for example – is "fun to drive," can anyone really come up with some empirical evidence against your claim? What about calling it "versatile"? We wonder if Ford has been thinking along these lines when it talks about the green little hatch.

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After the huge problems that Hyundai/Kia experienced with its mislabeled fuel economy labels, you'd think that any time an automaker has to adjust its mpg numbers, heralds would be shouting from the rooftops. But, after Ford admitted to three big mistakes with its numbers for the 2013 C-Max Hybrid and Mercedes-Benz had to lower the fuel economy rating for the C-Class, we understand if those heralds are a bit tired by now.

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What, you expected the "fastest muscle car ever" to help fleetwide fuel economy? Nope, don't think that's going to happen. That means Fiat Chrysler will likely to continue to languish at the bottom of the heap when it comes to fleetwide fuel economy among the largest automakers serving the US, especially as the automaker starts to sell its Dodge Challenger SRT Hellcat. A few hundred Fiat 500E electric vehicles aren't going to turn the trend around.

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Talk about a report both green-car advocates and gearheads can celebrate. The US Environmental Protection Agency (EPA) put out its annual Light-Duty Automotive Technology, Carbon Dioxide Emissions, and Fuel Economy Trends report. And the 148-page study has something for everyone.

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Fuel economy is up almost 5 mpg since 2004

Gas mileage for new cars and trucks in the U.S. averaged a record 24.1 miles per gallon last year, but gains in fuel economy are slowing.

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2013 Model Year Was Half-Gallon MPG More Efficient Than 2012

Well done, America. Through some combination of market forces and government regulations and advancing technology, you've managed to buy enough fuel efficient vehicles to raise the overall average for the 2013 model year to 24.1 miles per gallon – that's 0.5 mpg higher than model year 2012. It's also an all time record high.

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