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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.

Shuttle-hauling Tundra finds permanent home in science exhibit

The idea of lifting a full-size pickup truck completely off the ground by hand might seem as likely as, say, said pickup truck towing a 150,000-pound space shuttle, but... hurray, physics! The same Toyota Tundra that towed the Space Shuttle Endeavour to its final resting place at the California Science Center is now on permanent display there as an exhibit that shows how a lever works.
Like all levers, this exhibit uses a fulcrum allowing people other than Superman to lift the 5,625-pound pickup (plus an extra 1,000 pounds for the rig). That's almost as impressive as the Tundra pulling 17 times its rated towing capacity back in October. Regardless, Toyota is once again cashing in on the publicity stunt and visitors to the science center get a live demonstration of a simple machine - we call that a win-win.

Toyota officially outsells GM, VW through first three quarters

When it comes to global vehicle deliveries, the term "Big Three" doesn't apply to Ford, Chrysler and General Motors, but instead Toyota, GM and Volkswagen - in that order - through the third quarter of 2013. Toyota sold 7.41-million vehicles through the third quarter and is on track to deliver more vehicles this year than GM and VW, which sold 7.25-million and 7.03-million, respectively, through the same period, Bloomberg reports.
During the third quarter, from July to September, Toyota's 2.5-million deliveries helped to push it higher than its closest competitors this year. In that period, GM delivered 2.4-million vehicles while VW posted 2.33-million deliveries.
Part of the reason behind Toyota's and other Japanese automakers resurgence globally is the weakened yen, which can be attributed to policies made by Prime Minister Shinzo Abe since he took office in December 2012. Many refer to those monetary easing policies as 'Abenomics,' which has led some, such as Ford, to call Japan a currency manipulator and is a big reason why the US is lobbying to oppose Japan's entry into the Trans-Pacific Partnership (TPP).