2000 Mazda Mx-5 Miata on 2040-cars

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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.

Meet our new long-term 2016 Mazda MX-5 Miata Club!

We have a new Miata! For a year! And yeah, we're excited about it. This adorable roadster was added to our fleet over a month ago, but we've just now stopped driving it long enough to tell you about it. You can watch our unboxing video for this new long-termer above. (Spoiler alert: The car in the box is a Miata.) Then read a little more about which options and features we chose and why. What we got We chose the mid-line Club model because it's the only way to get the suspension with Bilstein shocks, the limited-slip differential, and a shock-tower brace. Club also includes an appearance package with a front air dam, side sill extensions, a rear bumper skirt, and a ip spoiler for the trunk. We chose Ceramic Metallic paint because it's white and silver and awesome all at once. The only option we chose is the Brembo/BBS Package. In addition to the upgraded brake system and 17-inch wheels alluded to by the title, this package adds Mazda's advanced keyless entry – you can unlock the doors and start the car without taking the key-thing out of your pocket. The MSRP for the car is $32,835. What we skipped The Grand Touring trim (too fancy), the automatic transmission (too few pedals), and extra-cost red paint (not ceramic enough). Grand Touring adds lots of convenience stuff like rain-sensing wipers and auto climate, some active safety systems, and leather. We wanted the upgraded chassis instead, and we' were trying to save some (hypothetical) money. Why we got it Because it's a Miata, and we like fun. The plan is to drive the bleep out of it for a year and report on the experience along the way. We'll take it to a track or two, keep the top down as far into winter as possible, and then slap some snow tires on it to continue . Maybe at a slight angle relative to straight-ahead at times. We'll see. If you have questions about this car, leave them in the comments below and we'll address as many as we can during the coming months. Miata! Related Video:

2015 SEMA Show Recap | Autoblog Minute

We take a trip to Las Vegas for a preview of the 2015 SEMA Show, the trade show for automotive aftermarket professionals and enthusiasts. Autoblog's Eddie Sabatini reports on this edition of Autoblog Minute, with commentary from Senior editor, Greg Migliore. Chevrolet Ford Honda Mazda Autoblog Minute Videos Original Video galpin