VW XL1: The world's most efficient 'production' car debuts in the U.S. (261 MPG)

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VW XL1 plug-in hybrid
credit: VW

The Volkswagen XL1, which we previously covered in both the prototype and "production" form, is making its official debut in the United States today at the 23rd Annual Society of Environmental Journalists (SEJ) Conference at the Chattanooga Convention Center.

I usually called it a "production" vehicle with quote-marks because - unless plans change - only 250 will be made. So it's not really a production model like the Jetta, but it's also not quite a one-off...

Click here to go to the next page and see more of the VW XL1.

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