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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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A recent study from the University of Michigan Transportation Research Institute finds that planes are more efficient than cars by a wide margin. The gap between them isn't shrinking quickly, either.

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The 2016 Mazda MX-5 Miata now has its fuel-economy ratings from the EPA, and the roadster sees a 25-percent improvement compared to the previous generation. Either transmission offers 30 mpg combined.

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Better Fuel Efficiency, More E-Commerce Has Cut Refueling Expenses

US percentage of GDP spent on gas has plunged since the 1970s as driving mileage has fallen.

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Fewer Accidents Mean Less Pollution, Right?

Automakers lobby to get federal government to offer fuel-economy credits for safety features.

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Cars Get 20 Percent Better Fuel Economy Than Six Years Ago

The US average fuel economy fell in February to 25.2 miles per gallon, but that's still near the record high.

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Far Fewer Gas Guzzlers, Far More Fuel Sippers On The Market

2014 model-year US vehicles averaged 25.3 mpg, a 22-percent jump over your average 2008 car.

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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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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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The average fuel economy of a new car in December fell to a 10-month low to 25.1 miles per gallon as gas prices continued to drop.

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After testing for its 10 Best Engines, Ward's is wondering where the eco – as in economical or eco friendly – is in Ford's strong-selling line of EcoBoost engines.

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Dyanmic Skip Fire could bring a revolution to cylinder deactivation technology and boost fuel economy by around 15 percent. As opposed to shutting down just a set number of cylinders, DSF monitors all of them. General Motors thinks the system might be on some of its models in the future.

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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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The 2015 Ford F-150 is one of the most important US vehicle debuts in years, be it in the pickup segment or the entire marketplace. While we've already known about the truck's engine lineup, its payload ratings and we've even learned a bit about how it drives, the truck's EPA-estimated fuel economy ratings have remained a mystery. The wait is finally over. Ford has announced numbers that put the latest F-150 as the mileage leader among gasoline-powered, full-size pickups in the US, with its new

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Five Kg Of Hydrogen And 300-Mile Range Leads To Simple Outcome, We Think

Toyota isn't talking about the Mirai's fuel economy just yet, but that doesn't mean we can't make an educated guess. And we do so by looking at the competition and knowing that the DOE says that "One kg of hydrogen is roughly equivalent to one gallon of gasoline."

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UPDATE: Comparing the disparate specification levels on commercial vehicles especially can be bewildering, but as Ram spokesman Nick Cappa points out, the ProMaster City is only offered in long-wheelbase form (unlike the Ford Transit Connect, for example, that starts in short-wheelbase spec). Just which model is the better bargain, then, is up to each customer to decide.

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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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UPDATE: A previous version of this story referred to Ferrari's 7,000 global sales as approaching the 10,000-unit threshold of the CAFE system. This is incorrect, as only US sales contribute towards CAFE totals. Ferrari also offered clarification on the company's CAFE status within Fiat Chrysler's fleet. The post has been edited to reflect this information.

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This amount includes $100-million in civil penalties, the largest such fines in EPA history.

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Puts It At Top Of Compact Class, But Less Efficient Than BMW i3 Or Spark EV

The e-Golf has official EPA ratings of 126 MPGe (city) and 105 (hwy).

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