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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.

Watch a Toyota Highlander ram a house, twice

Toyota has had plenty of problems in recent years due to claims of unintended acceleration, and now here's a video that actually catches such a claim on video. The driver of this 2010-2013 Toyota Highlander claims that the crossover's accelerator got stuck causing the vehicle to slam into the house twice, and resulting in damage to the Highlander, the house and two vehicles inside the garage. While we don't know when this accident took place, the video was uploaded to YouTube back in January.
It is impossible to determine what actually happened in this video, but what we do know is that a security camera captures the Highlander slowly pulling into the driveway before it lunges forward slamming into the garage. With the tires squealing and metal crunching, the driver then shifts between reverse and drive a couple times causing even more property damage before spinning out in the street and finally being able to shift into Park. Scroll down to see the video for yourself. Whether unintended acceleration or driver error, this was undoubtedly a harrowing ordeal.

New BBC Top Gear season is off to a great start

The past few years have been very demanding for Top Gear fans. The Jeremy Clarkson Top Gear got too big for itself, and the core quality of the series degraded as stunts and jokes gradually became more and more stale. Things came to a head with the Fracasgate, with Clarkson punching a producer in a very nice hotel in Yorkshire with a very nice brass plaque commemorating "The End of Clarkson's BBC Career". Fast forward to a year ago, when the BBC produced a new series of Top Gear, with famed breakfast show person and shouting enthusiast Chris Evans hosting. Laden with personnel and curiously lacking any direction, the first new season collapsed onto itself with Evans eventually quitting the entire shindig. After that, viewers received a new, Amazon-produced Clarkson-Hammond-May series called The Grand Tour, which was often brilliant and just as often hampered by writing as hackneyed as the last Clarkson years of Top Gear. Now the slate is clean. Evans is gone. The first Grand Tour season has aired. The BBC has had a good long time to re-evaluate its strategy. And the first episode of this season's Top Gear has aired in the UK - and will air March 12 on BBC America. Your first extended look at all new #TopGear, coming 5 March. See you there pic.twitter.com/lYoYOtrWxR — Top Gear (@BBC_TopGear) February 23, 2017 What an improvement! It seems like the producers have taken an ax to everything not strictly necessary for making a great car show, and they've left what is absolutely crucial. There are the three car guys, Matt LeBlanc, Chris Harris and Rory Reid. There is a new studio. There is a new track car. There is a celebrity, but it's not painful to watch. There are easy jokes, there are car jokes, there are Ronin jokes. Ronin jokes! It's as if Harris, by dissecting continuity errors in the 1998 film's BMW chase, is reaching out to us fans, saying he's one of us, and he did notice the wrong wheels when the black BMW falls from the bridge. (Other mistakes are wrong-colored tach needles, for instance.) The first car film is a quality Ferrari FXX K piece, with Harris enjoying one of the 40 built track-day specials on the bankings of Daytona. It's remarkable it was Harris who was allowed to drive the exclusive Ferrari, as the first "outsider" (in his words) to drive one; years ago Harris was one of the most vocal critics of Ferrari's practices, resulting in him getting banned from driving press Ferraris. But then again, this is a customer car.