There is one summary for H.R.3940. Bill summaries are authored by CRS.

Shown Here:
Introduced in House (01/28/2014)

Natural Gas Long Haul Truck Competitiveness Act of 2014 - Directs the Secretary of Transportation (DOT) to issue regulations to allow natural gas vehicles to exceed any federal weight limitations to operate on the Interstate Highway System by an amount equal to the weight of the vehicle attributable to the natural gas tank and fueling system, less the weight of a comparable diesel tank and fueling system.