Blog - Natural Gas Vehicle Institute

Four Essential Best Practices for CNG Transit Fleets

Posted on April 15, 2019May 2, 2019

Transit agencies are one of the most active adopters of natural gas vehicles, due to the favorable economics and unparalleled environmental benefits of natural gas. According to NGV America, there ... Continue Reading →

Pressure Relief Device (PRD) Leak

Posted on February 26, 2019February 26, 2019

November 2018 – Colchester, VT: A frozen PRD failed after the vehicle was brought into a maintenance facility where the PRD thawed, resulting in a leak and subsequent fire when the leaking ... Continue Reading →

CNG Cylinder Rupture and Fire

Posted on February 26, 2019February 26, 2019

December 2018 – Bakersfield, CA: During fueling of a CNG truck, one or more cylinders ruptured, destroying both the truck and the CNG station. The truck driver was also seriously injured. T... Continue Reading →

Defective CNG Cylinder Valve

Posted on February 25, 2019February 26, 2019

November 2018 – Mankato, MN: A manual cylinder valve manufactured by Luxfer failed while being opened, resulting in a gas leak, building evacuation, and finally an explosion when the leaking gas f... Continue Reading →

Reduce Fleet Downtime: Understanding CNG Ignition Systems

Posted on December 1, 2017August 1, 2018

By Kasia McBride, Marketing Manager, NGVi Natural gas engines differ significantly from their diesel counterparts, and technicians who maintain them must have a full understanding of their operatio... Continue Reading →

New Technology From Parker Tube Fittings Takes ORFS Fittings to the Xtreme

Posted on December 1, 2017August 1, 2018

By Ted Amling, Sr. Project Engineer, Parker Hannifin Corporation, Tube Fittings Division Effectively sealing fluids and gases at extreme temperatures is always a challenge, due either to the temper... Continue Reading →

How to Minimize Costly ($42,000?) Oil Carryover Problems in Heavy-Duty Natural Gas Engines

Posted on December 1, 2017August 1, 2018

By Annalloyd Thomason, Vice President/General Manager, NGVi They are the most common performance complaints for heavy-duty natural gas vehicles: Hard to start Idles rough Hesitates under accelerati... Continue Reading →

NGVi Sponsor Spotlight: CP Industries, Inc. – More Than a Century of Innovation

Posted on June 1, 2017August 1, 2018

By CP Industries, Inc. 1897 When Christy Park Plant was built in 1897 on the old Penney Farm, in McKeesport, Pennsylvania, it consisted of a single main working building and one small office buildi... Continue Reading →

NFPA 52 Now Requires Your CNG Station to Have a Maintenance Plan

Posted on June 1, 2017August 1, 2018

By Leo Thomason, Executive Director, NGVi Because of the unique physical properties of natural gas, the distinctive design and construction requirements of CNG fueling stations, and unique CNG stat... Continue Reading →

Handling Challenges with Today’s CNG Fuel System Inspections

Posted on June 1, 2017August 1, 2018

By Gordon Larsen, Senior Technical Instructor, NGVi CNG fuel systems, especially for heavy-duty natural gas vehicles, have evolved greatly over the past decade. In today’s heavy-duty trucks and bus... Continue Reading →