Mazda 3 Skyactiv-CNG Concept Set for 2013 Tokyo Auto Show


  • Mazda 3 Skyactiv-CNG Concept Picture

    Mazda 3 Skyactiv-CNG Concept Picture

    The Mazda 3 Skyactiv-CNG Concept will make its world debut at the 2013 Tokyo Auto Show. | October 22, 2013

Just the Facts:
  • The Mazda 3 Skyactiv-CNG Concept, a version of the car that runs on gasoline and compressed natural gas, will debut at the 2013 Tokyo Auto Show.
  • The Japanese automaker said the Skyactiv-G gasoline engine can be easily modified for CNG with only minor changes.
  • No word yet on a production version of the Mazda 3 CNG model.

TOKYO — The Mazda 3 Skyactiv-CNG Concept, a version of the car that runs on gasoline and compressed natural gas, will debut at the 2013 Tokyo Auto Show.

The Japanese automaker said the Skyactiv-G gasoline engine can be easily modified for CNG with only minor changes.

"Demand for CNG-powered vehicles is increasing all over the world and the Skyactiv-CNG Concept adopts a dual fuel system that runs on both gasoline and CNG," said Mazda in a statement on Monday. "CNG engines must burn fuel at high pressure and because the Skyactiv-G gasoline engine already achieves a high compression ratio, it can easily be modified for CNG with only minor modifications."

Mazda touted the benefits of CNG vehicles, saying they reduce emissions by about 20 percent compared to those with gasoline engines of the same displacement.

No word yet on a production version of the Mazda 3 CNG model.

Automakers are embracing the virtues of CNG, although few of the vehicles are available at this point.

Last week, General Motors said it will sell a version of the 2015 Chevrolet Impala that will run on either gasoline or compressed natural gas. The bi-fuel Impala will go on sale next summer.

GM said it will be the only automaker to build a full-size bi-fuel sedan in North America.

Only Honda has a natural-gas-powered car on sale that is aimed at consumers and not fleet operators.

It is the 2013 Honda Civic Natural Gas, which starts at $27,255, including a $790 destination charge.

Edmunds says: The movement toward CNG vehicles seems to be gathering speed.

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