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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.

How the demise of Lincoln's Town Car has kick-started a limo revolution

The deaths of the Ford Crown Victoria and the Lincoln Town Car have meant overhauls of three high-profile American fleets: police, taxi and livery car. Just as police fleets are more open to considering other options and a Nissan van is the new face of the NYC taxi, livery car companies are looking at replacements for the Town Car beyond The Blue Oval. Ford, via Lincoln, has made an MKT Town Car (pictured), but an article in the Detroit News claims "it has failed to win over most of the big limousine companies." The upstarts trying to move in include livery and limo editions of the Cadillac XTS, and livery specifications of the Toyota Avalon and Chrysler 300.
Each of those challengers, however, faces challenges. The Town Car was a workhorse, American, rear-wheel-drive sedan with plenty of rear legroom. Cadillac has been in the livery space before but with decontented models that were about selling the brand, not its luxury. It is taking the opposite approach with the XTS, pointing out that its livery edition is "contented in the upper half of the XTS range." Still, the CEO of Michigan's largest livery company says "it's quite a bit smaller than what we're used to," and he also prefers rear-wheel drive.
The Chrysler 300 is rear-wheel drive, and American, which matters to some companies, but Chrysler hasn't yet revealed the livery package for it. The livery Avalon marks Toyota's first time getting into that business in the US, a natural step after having done so well with taxi clients and with the Town Car out of the way. Still, the livery client is a different to taxi buyers, so the Avalon could face other soft-touch hurdles.

Super Bowl commercials: Steven Tyler, Emerson Fittipaldi, Keanu Reeves and more

Sunday is Super Bowl LII, which means America will immerse itself in high-calorie potluck fare, garish halftime-show entertainment (Justin Timberlake, bringing sexy back, but not that kind), the most expensive and over-the-top TV ads of the year, and — oh yeah — a football game between two teams connected by Amtrak's Northeast Corridor line. What else you gonna do on the first Sunday of February? As usual, automakers plan big, splashy TV spots to reach all those gajillions of eyeballs glued to the teevee, though the list may be shorter than in previous years. Here's a roundup of what we know is coming. Hyundai Hyundai will test the football/futbol divide with a 60-second spot starring a youth-soccer ref who arrives for the game dramatically and just in time in his 2018 Kona. Only it's Super Bowl Sunday, so he — along with the two coaches, and apparently most of the parents — are eager to get on with their game-day plans. Advantage: football, being the message, we guess. The ad does make a quick plug for Hyundai's BlueLink nav system, but this is only nominally about the car. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Hyundai also plans a 60-second ad that recognizes people fighting pediatric cancers and highlights its own nonprofit organization that focuses on the cause, according to Reuters. Kia This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. The Korean automaker will put Aerosmith frontman Steven Tyler behind the wheel of its new Stinger on an abandoned racetrack. The former " American Idol" host promptly puts it into reverse, going back to his '70s heyday, courtesy of some CGI, to the strains of "Dream On" played backwards. Trotting out an almost-70-year-old to relive some classic rock glory fits the Super Bowl template to a T. Two-time Formula One and Indianapolis 500 champ Emerson Fittipaldi also makes a cameo. It airs in the third quarter. Lexus This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Lexus teams with Marvel Studios to preview its forthcoming movie "Black Panther," which arrives in theaters Feb. 16. In "Long Live The King," the Black Panther, a.k.a. King T'Challa, played by Chadwick Boseman, dispatches some bad guys to recover stolen Vibranium after clinging to the roof of a speeding 2018 LS 500 F Sport, driven by co-star Danai Gurira.