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This map reveals the cleanest vehicles based on location

Naysayers love to point out how dirty the electricity grid mix is when it comes to charging electric vehicles. Curmudgeons are eager to jump into any conversation about EVs to enlighten the lucky listeners about how plug-in cars contribute to pollution, sometimes even throwing in a dash of climate-change denial for good measure. (Thanks, buddy. Pray, tell me more about the plight of oppressed SUV owners.) Unless someone buys an EV just because they think they're cool (which, yeah, they often are), they probably have at least a passable understanding of their environmental pros and cons. As many EV owners are already aware, location has a lot to do with any particular plug-in car's carbon footprint. Still, there's always more to know, and knowledge is not a bad thing, especially if one uses it to do the right thing. That's why this handy-dandy map from Carnegie Mellon University is so interesting. CMU researchers have compiled information about the lifecycle greenhouse gas emissions of various EVs based on where they're charged, as compared to gasoline-powered vehicles. The researchers looked at the Nissan Leaf, Chevrolet Volt, and Prius Plug-In Hybrid versus the gasoline-dependent Toyota Prius hybrid and the stop-start-equipped Mazda3 with i-ELOOP and compared grams of CO2 emitted per mile. CMU takes into account the grid mix, ambient temperature, and driving patterns. CMU takes into account the grid mix based on county, as well as ambient temperature and driving patterns in terms of miles traveled on the highway or in the city. For instance, if you drive a Nissan Leaf in urban areas of California, Texas, or Florida, your carbon footprint is lower than it would be if you were driving a standard Toyota Prius. However, if you charge your Leaf in the Midwest or the South, for the most part, you've got a larger carbon footprint than the Prius. If you live in the rural Midwest, you'd probably even be better off driving a Mazda3. Throughout the country, the Chevrolet Volt has a larger carbon footprint than the Toyota Prius, but a smaller one than the Mazda3 in a lot of urban counties in the US. The Prius and Prius Plug-In are relatively equal across the US. Having trouble keeping it straight? That's not surprising. The comparisons between plug-in and gasoline vehicles are much more nuanced than the loudest voices usually let on.

Fiat 124 caught entirely undisguised

Dear automakers, please continue making these kind of mistakes. Thanks to what we're guessing is some lax security, the all-new, Mazda MX-5 Miata-based Fiat 124 was spotted taking part in a photo shoot near Santa Barbara, CA. The images show what we'd consider a fairly simple rebadging job. The 124 gets new front and rear clips that not only harken back to the original 124 (not to mention other Fiat roadsters, like the Barchetta), but also serves to distance this droptop from the rest of the company's US range. The similarities between the 124 and the car it's based on are even more obvious in the cabin. This is an MX-5 interior with Fiat's big, red badge on the tiller. That means the same quality materials and knob-dial infotainment system that have been so well received in the Miata. It's under the hood, though, where the Fiat really differs from its Japanese cousin. According to our spy, the vehicle shown here features some kind of two-pedal setup – probably the six-speed Euro twin-clutch used in the 500L and Dodge Dart. Don't worry, though, a six-speed stick will also be on offer. Regardless of transmission, we can expect a 180-horsepower version of the 1.4-liter, turbocharged, four-cylinder offered in the 500 Abarth. And if that's not enough good news, a dedicated Abarth model will likely arrive after launch, which our spies claim will use the 1.75-liter turbo and DCT from the Alfa Romeo 4C. While this represents a good look at the new 124, we'll probably be waiting until the LA Auto Show in November for the official look. Stay tuned.

Mazda recalls 374,500 vehicles because of Takata inflators

The Basics: Mazda will recall 374,519 examples of the 2003-2008 Mazda6 manufactured from May 29, 2002, to May 5, 2008; the 2006-2007 Mazdaspeed6 built from July 1, 2005, to June 29, 2007; and the 2004 RX-8 made from June 25, 2003, to June 30, 2003. The Problem: These vehicles contain front passenger airbag inflators from Takata that could rupture in a crash. If this happens, it could spray metal shrapnel at an occupant, which could seriously injure or even kill the person. Injuries/Deaths: The report from the National Highway Traffic Safety Administration didn't mention injuries or deaths, but Autoblog reached out to Mazda for confirmation. Takata's rupturing inflators allegedly have links to nine deaths globally and around 100 injuries. The Fix: Mazda dealers will replace the passenger side airbag with a new one. If You Own One: Mazda has not said when the replacements for these vehicles will begin. Experts believe that prolonged exposure to high humidity can cause the inflators' ammonium nitrate propellant to ignite too quickly in an accident. More Information: This recall is a nationwide expansion of Mazda's passenger's side airbag recall, which was previously limited to high-humidity regions. The population now includes 310,592 additional examples of the Mazda6, Mazda spokesperson Tamara Mlynarczyk tells Autoblog. The company discovered this new issue after Takata tested an inflator taken from a Mazda6, and it ruptured, according to NHTSA documents (PDF). The company already had a national safety campaign to fix the driver's side airbags in these vehicles. Related Video: RECALL Subject : Passenger Air Bag Inflator May Rupture Report Receipt Date: DEC 23, 2015 NHTSA Campaign Number: 15V869000 Component(s): AIR BAGS Potential Number of Units Affected: 374,519 All Products Associated with this Recall Vehicle Make Model Model Year(s) MAZDA MAZDA6 2003-2008 MAZDA MAZDASPEED6 2006-2007 MAZDA RX-8 2004 Details close Manufacturer: Mazda North American Operations SUMMARY: Mazda North American Operations (Mazda) is recalling certain model year 2003-2008 Mazda6 vehicles manufactured May 29, 2002, to May 5, 2008, 2006-2007 Mazdaspeed6 vehicles manufactured July 1, 2005, to June 29, 2007, and a limited production of model year 2004 RX-8 vehicles manufactured June 25, 2003, to June 30, 2003. The inflators in the front passenger air bags are susceptible to rupture in the event of a crash necessitating the deployment of the front passenger air bag.