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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.

The ugly economics of green vehicles

It's fair to say that most consumers would prefer a green vehicle, one that has a lower impact on the environment and goes easy on costly fuel (in all senses of the term). The problem is that most people can't – or won't – pay the price premium or put up with the compromises today's green cars demand. We're not all "cashed-up greenies." In 2013, the average selling price of a new vehicle was $32,086. The truth is that most Americans can't afford a new car, green or not. In 2013, the average selling price of a new vehicle was $32,086. According to a recent Federal Reserve study, the median income for American families was $46,700 in 2013, a five-percent decline from $49,000 in 2010. While $32,000 for a car may not sound like a lot to some, it's about $630 a month financing for 48 months, assuming the buyer can come up with a $6,400 down payment. And that doesn't include gas, insurance, taxes, maintenance and all the rest. It's no wonder that a recent study showed that the average family could afford a new car in only one of 25 major US cities. AutoTrader conducted a recent survey of 1,900 millennials (those born between 1980 and 2000) about their new and used car buying habits. Isabelle Helms, AutoTrader's vice president of research, said millennials are "big on small" vehicles, which tend to be more affordable. Millennials also yearn for alternative-powered vehicles, but "they generally can't afford them." When it comes to the actual behavior of consumers, the operative word is "affordable," not "green." In 2012, US new car sales rose to 14.5 million. But according to Manheim Research, at 40.5 million units, used car sales were almost three times as great. While the days of the smoke-belching beater are mostly gone, it's a safe bet that the used cars are far less green in terms of gas mileage, emissions, new technology, etc., than new ones. Who Pays the Freight? Green cars, particularly alternative-fuel green cars, cost more than their conventional gas-powered siblings. A previous article discussed how escalating costs and limited utility drove me away from leasing a hydrogen fuel cell-powered Hyundai Tucson, which at $50,000, was nearly twice the cost of the equivalent gas-powered version. In Hyundai's defense, it's fair to ask who should pay the costs of developing and implementing new technology vehicles and the infrastructure to support them.

Toyota passes BMW as most valuable car brand

An annual market study of the strongest brands across various industries has seen Toyota leapfrog BMW as the world's most valuable automotive brand. Toyota's 2013 brand value rose to $24.5 billion, up 12 percent versus 2012 numbers according to market research company Millward Brown's BrandZ Top 100 Most Valuable Global Brands list. BMW's value fell slightly; down by 2 percent to a total of $24 billion.
Mercedes-Benz finished in third place in the automotive category, up 11 percent from 2012 for a valuation of $18 billion. Honda ($12.4 billion, down 2 percent) and Nissan ($10.2 billion, up 3 percent) rounded out the top five for the category. Volkswagen was the only other auto brand that finished in the top 100 overall, in 100th place. Audi made the greatest percentage gain over 2012, up 18 percent to $5.5 billion, but finished outside of the top 100.
Technology companies dominated the overall list, with Apple, Google and IBM ranking one through three. Couture brand Prada was 2013's biggest gainer, rising by 63 percent over 2012.