Our fleet cut costs and emissions with Steelhead’s CNG cylinders—no performance tradeoffs.

– Fleet Manager, EcoTransit

Driving the Future: Ultra-Lightweight CNG Cylinders for Cleaner, More Efficient Vehicles

Steelhead Composites CNG cylinders are reshaping what’s possible in sustainable transport. The company’s Type IV cylinders are over 70% lighter than steel alternatives, improving fuel economy, extending vehicle range, and simplifying vehicle integration.

Trusted by fleets and OEMs alike, these cylinders meet or exceed all global safety standards while delivering exceptional reliability. With corrosion resistance and a long service life, they help reduce downtime and lower the total cost of ownership.

Uses and Applications
CNG-powered commercial truck on a highway

Automotive

Ideal for light-duty and heavy-duty vehicle fuel systems. Steelhead Composites cylinders reduce vehicle weight, boosting efficiency without compromising cargo capacity or performance.

CNG-powere transit solutions

Transit & Delivery Services

Perfect for bus fleets and last-mile delivery trucks. These cylinders enable a switch to clean, cost-effective CNG fuel while maintaining range and payload requirements critical to fleet uptime.

CNG vessel production

Lightweight Type IV CNG Cylinder Highlights

  • Gas Type: Compressed Natural Gas (CNG)
  • Applications: Cars, buses, trucks, fleets
  • Industries Served: Transportation, Public Transit, Delivery, Automotive
  • Pressure Rating: 250 bar (3,600 psi)
  • Size/Volume: 20–200 liters

Ready to power your fleet with cleaner energy?

Let’s talk about CNG solutions for your vehicles. Whether you're managing a transit fleet, building new vehicle platforms, or looking to reduce emissions and operating costs, we’re here to help.

Outer Shell
Carbon fiber composite
Liner
HDPE
Service Life
20 years
Crash Test
Crash-tested to FMVSS standards
Certifications

NGV2, ISO 11439

NGV2, ISO 11439 certified

DOT FMVSS 304

DOT FMVSS 304 certified

ECE R110

ECE R110 certified