A couple weeks ago, 59 judges from 25 countries at the New York Auto Show decided that the best car in the world isn’t the Prius or the Smart car.  No, they went with the good quality German engineering of the VW BlueMotion Polo Mk5.

VW Polo

Do you think Ralph Lauren drives one of these?

Wait, blue what?  Yeah, that’s what I thought.  If you don’t know about VW’s BlueMotion series, which took home the Best Green Car award, don’t feel bad; none of the cars are available in the United States, the country with the second highest carbon emissions in the world.

Volkswagen introduced the BlueMotion line of cars in 2006 and has been consistently producing more cars with the technology.  The lineup now includes models of the Polo, the Golf, and the Passat.  The idea behind the name?  Combine VW’s corporate color with an action that cars tend to do.  The idea behind the technology?  Increase fuel efficiency.

Most of the BlueMotion cars use a 1.3-liter three-cylinder Turbocharged Direct Injection (TDI) diesel engine that gets 60 mpg and emits 102 grams of CO2 per kilometer.  The new engine (that was in the winning Polo) has a 1.6-liter engine that achieves 62 mpg.  There are other reports of higher gas mileages and lower emissions, but because the series is not in the United States, there are no official EPA numbers.

Of course, one does not win international competitions on engines alone (or even SMV competitions, for that matter).  In addition to revamping the engine with diesel particulate filters and oxidizing catalytic converters, VW lengthened the last two gear ratios on its transmission.  The bodies of the BlueMotion cars have also been updated with revamped spoilers, lowered suspensions, and more aerodynamic undercarriages.  The result?  A car that beat one of the most popular green cars in the world: the Toyota Prius, which gets about 50 mpg and emits 88g CO2/km according to the EPA.

Toyota Prius

Move over, Mr. Hybrid. Clean diesel cars are coming to town.

“It is not necessary to add an electric motor and a heavy battery pack to achieve class-leading efficiency,” one judge said.  “Based on Volkswagen’s common-rail diesel engines, the BlueMotion models are among the most fuel-efficient vehicles on the market. In fact, the Passat BlueMotion can travel just about 1,000 miles on one tank of fuel in the European cycle. As far as internal combustion engines go today, these models are the ultimate you can get.”

1,000 miles on a tank?  Sign me up.  Volkswagen has recently talked about bringing the BlueMotion cars to the United States, although I’ve yet to find an exact timeline or other info.  Their reluctance to bring these cars to the US market (which is certainly hungering for environmentally-friendly cars) is likely due to our preconceived notions of diesels.  Rather than super-efficient small vehicles, we tend to associate diesel engines with huge, powerful trucks spewing black exhaust.  Audi has been trying to combat this image by marketing their clean diesel technology (remember the green police?) and perhaps they can help clear the path for the BlueMotion lineup.

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