carbon footprint

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BA BusesI was just in Buenos Aires, Argentina, enjoying long, sunny, Southern-Hemispheric days — and choking on clouds of stinky, old-fashioned diesel. While the U.S. market has diesels you can stand behind while wearing a white linen suit and not get dirty, Baires drivers still use the smelly, sooty, decidedly non-green diesel in cars, trucks, and city buses.

Compounding the massive carbon footprint left by all these old-skool engines is the rotten traffic. City streets can be as wide as twelve lanes — though lanes are mere suggestions for the citizens of Buenos Aires. Cars cram the smaller side streets, with drivers idling at red lights and honking in frustration. Even ambulances have a hard time getting through.

I saw not one hybrid or electric car on the streets in the week I spent in the city, but I did see a sign of green hope, like the single plant Eve retrieves from a ruined Earth in Wall-E (why yes, it was the in-flight movie. Why do you ask?). Argentine petroleum company YPF has billboards along the city’s streets informing the diesel-choked drivers that clean diesel is on its way.

The web site (which is in Spanish) lists the advantages of what the company is calling D-Euro diesel: cleaner combustion, more miles per gallon, and fewer emissions. The fuel will have fewer than 50 ppm of sulfur, closer to the 15 ppm in the ultra-low-sulfur diesel used in the U.S. D-Euro diesel is classified as Bin 4 in Europe.

Photo of Bs. As. buses by blmurch.

While the Americal Le Mans Series has already had a green race-within-a-race for alternative-fuel vehicles, NASCAR is taking baby steps toward eco-friendliness. The final race of the season on Sunday, November 16, had the series’ first-ever hybrid pace car, a 2010 Ford Fusion.

NASCAR isn’t going all tree-hugger on anybody, but it is trying to reduce its carbon footprint, according to a report on NASCAR.com. Organizers also hope the mere presence of a hybrid on the track will help crack the alternative-fuel ice with the sport’s fans, who tend to favor high horsepower and big trucks. But in a year of volatile gas prices and growing green awareness, even die-hard speed freaks can see the advantages in a higher-mpg vehicle.

The hybrid version of the Fusion, and its nearly identical twin the Mercury Sable, will be available to consumers in spring of next year. The official unveiling of the car will happen at the L.A. Auto Show, November 21-30.

Image courtesy of NASCAR.com.