Auto News 5

Now that this past summer's oil-price shock has awakened a new desire in Americans to find a cheaper way to fill up, we should finally see a larger-scale movement toward a fuel that's not only less expensive than gasoline but is also cleaner burning and sourced largely from within North America: compressed natural gas (or CNG). Yes, good old natural gas - the same stuff that provides heat to 52 percent of American homes - also works as a fuel for cars, and the good news is that the technology to make it happen already exists.