Dive summary:

• Contractors or individuals who want the option of running compressed natural gas or liquefied petroleum gas in their pickups will be able to get that capability factory-installed on 2014 Ford F-150 pickups with a 3.7-liter, V-6 power plant.
• Ford says that for $315, it can deliver the trucks ready for modification to the gaseous fuels and installation of tanks and lines for about $7,500 to $9,500 more.
• Ford estimates that with a sufficient tank, the V-6-equipped truck can get over 750 miles on one fill-up.

From the article:

CNG sells for an average of $2.11 per gasoline-equivalent gallon, and is as low as $1 in some parts of the country, representing a significant savings over unleaded regular fuel.  ...