An Impala? Maybe not what you had at the top of your list. But how about one getting 500 miles-per-gallon? Oh, so, now you're interested?
Here's the deal. GM announced yesterday that it will build a Chevrolet Impala sedan that can operate on either regular gasoline or compressed natural gas (the fuel that comes from all those fracking wells in Pennsylvania, Ohio and maybe, someday, New York) and travel up to 500 miles between fill-ups.