As diesel fuel prices remain above the $3.50 per gallon range due to tight North American supplies, increasing global demand and political unrest, considerable interest has grown surrounding the potential for the use of natural gas as a vehicle fuel source.
The development of natural gas engines for commercial vehicles has been occurring in small progressive steps over the past two decades and has finally reached a level of quality whereby they are comparatively reliable options.
Given the low cost of natural gas in America, it offers a very high competitive price advantage over diesel fuel.
