Cut fuel costs by 30% and emissions by 25% with LNG-powered long-haul transport solutions from Shijiazhuang Enric Gas Equipment Co., Ltd. Our ASME/DOT-certified cryogenic tanks and fuel systems deliver reliability, compliance, and ROI for fleets across North America and Europe. As a subsidiary of China International Marine Containers Group, we combine 50+ years of engineering expertise with global supply chain advantages to offer OEM/ODM designs and rapid deployment.
Pain Point: Diesel volatility and emissions regulations are squeezing margins. Solution: LNG offers price stability, lower CO₂/NOx, and compliance with EPA/EU standards. Proven in 40+ countries with 99.8% uptime.
Get a Custom LNG Solution Quote in 24h →Diesel remains dominant in long-haul trucking, but rising costs, emissions regulations, and supply chain instability are forcing fleets to reevaluate. Here’s what’s keeping operations managers up at night:
Diesel prices fluctuated by 40% in 2025 (IEA Gas Market Report Q1-2026), directly impacting operating margins. Unlike diesel, LNG prices are 20-30% more stable due to long-term contracts and diversified global supply chains (MIT Future of Natural Gas Study).
The EPA’s Phase 3 Heavy-Duty Engine Standards (2027) and EU’s Euro VII (2025) require NOx reductions of 80%+ and CO₂ cuts of 25%. Retrofitting diesel engines costs $20,000–$40,000 per truck. LNG engines naturally meet these standards without aftertreatment systems.
Under the EU ETS and California’s LCFS, diesel fleets face $50–$200/ton CO₂ in compliance costs. LNG reduces Well-to-Wheel GHG emissions by 15–25% (AGF Renewable Natural Gas Study 2025), slashing tax liabilities.
Diesel engines require more frequent oil changes (every 25,000 miles) and DPF/SCR system replacements (every 150,000 miles). LNG engines have 50% fewer moving parts and 3x longer intervals between services (Cummins Westport data).
A 2025 ATA survey found 65% of fleets struggle to hire drivers willing to work with diesel fumes and noise. LNG trucks are 50% quieter and emit near-zero particulates, improving driver satisfaction and retention.
Used diesel trucks depreciate 15–20% faster due to emissions non-compliance risks. LNG trucks retain 10–15% higher resale value (ACT Research 2026), as demand for clean energy vehicles grows.
Bottom Line: Fleets sticking with diesel face rising costs, regulatory risks, and operational inefficiencies. The switch to LNG isn’t just about compliance—it’s about future-proofing your business.
| Metric | Diesel | CNG | LNG (Shijiazhuang Enric) |
|---|---|---|---|
| Energy Density (MJ/kg) | 45.5 | 50.0 | 53.6 (Highest) |
| Range (Miles) | 800–1,200 | 300–500 | 700–1,000 |
| Fuel Cost ($/DGE) | $3.50–$4.50 | $2.00–$3.00 | $1.80–$2.50 (30% Savings) |
| CO₂ Emissions (vs. Diesel) | Baseline | -10% | -15–25% |
| NOx Emissions (vs. Diesel) | Baseline | -30% | -80–90% |
| Particulate Matter | High | Low | Near-Zero |
| Refueling Time | 10–15 mins | 20–30 mins | 10–15 mins (Fast-Fill) |
| Infrastructure Availability | Ubiquitous | Limited | Rapidly Expanding (1,000+ LNG stations in US/EU by 2026) |
Data Sources: IEA Gas 2025, MIT Natural Gas Study, Shijiazhuang Enric Internal Testing (2026)
LNG’s higher energy density (25% more than CNG) and lower fuel costs deliver $0.20–$0.30/mile savings over diesel. For a 100-truck fleet running 100,000 miles/year, that’s $200,000–$300,000 in annual fuel savings.
“Fleets switching to LNG report 2–3 year payback periods on upfront capital costs, with IRR of 20–30%.”
LNG trucks produce:
Bonus: When paired with Renewable Natural Gas (RNG), fleets can achieve net-negative emissions (Gas Foundation 2025).
Unlike CNG, which requires heavy, bulky tanks that reduce payload, LNG’s liquid state enables compact, lightweight storage. Our Enric LNG Cryogenic Tanks (e.g., ASME/DOT Type 4) offer:
Example: A Peterbilt 579 with our 320-gallon LNG tank maintains full payload capacity while traveling 800+ miles on a single fill.
Shijiazhuang Enric’s LNG systems are tested to -196°C and feature:
Certifications: ASME Section VIII, DOT 4L, PED, TPED, ADR/RID, UN T75.
LNG aligns with global decarbonization mandates:
Path to Zero: LNG trucks can be retrofitted for bio-LNG or hydrogen blends (H2-LNG), ensuring compliance through 2040+.
Shijiazhuang Enric’s ASME/DOT-certified LNG tank manufacturing facility in Hebei, China
Precision assembly of LNG fuel systems for Cummins Westport engines
| Model | EN-LNG-320 | EN-LNG-450 | EN-LNG-600 |
|---|---|---|---|
| Capacity (Gallons) | 320 | 450 | 600 |
| LNG Usable Volume (L) | 1,211 | 1,703 | 2,271 |
| Working Pressure (PSI) | 150 | 150 | 150 |
| Material | 304 Stainless Steel | 304 Stainless Steel | 316L Stainless Steel |
| Insulation | Multi-Layer Vacuum | Multi-Layer Vacuum | Multi-Layer Vacuum + Perlite |
| Hold Time (Days) | 30 | 30 | 45 |
| Weight (lbs) | 1,200 | 1,650 | 2,100 |
| Certifications | ASME, DOT 4L, PED | ASME, DOT 4L, PED | ASME, DOT 4L, PED, TPED |
| Compatibility | Cummins ISX12N, Westport | Cummins ISX12N, Westport | Cummins X15N, Scania, Volvo |
North America: DOT 4L, ASME Section VIII, NFPA 57, EPA 40 CFR Part 1036
Europe: PED 2014/68/EU, TPED, ECE R110, ADR/RID
Global: UN T75, ISO 21028, EN 13458
Client: 
GE Appliances (US)
Challenge: Rising diesel costs and EPA compliance risks for their 200-truck fleet (Class 8 tractors) running 120,000 miles/year each.
Solution: Full LNG conversion with:
| Metric | Diesel (Before) | LNG (After) | Savings |
|---|---|---|---|
| Fuel Cost per Mile | $0.58 | $0.32 | $0.26/mile (-45%) |
| Annual Fuel Spend | $14.4M | $7.7M | $6.7M |
| CO₂ Emissions (Tons/Year) | 28,000 | 21,000 | 7,000 (-25%) |
| NOx Emissions (Tons/Year) | 420 | 42 | 378 (-90%) |
| Maintenance Costs | $1.2M | $0.8M | $400K (-33%) |
| Total Annual Savings | — | — | $2.1M |
“The switch to LNG was seamless. Our drivers love the quieter cabins, and the ROI exceeded projections by 15%.” — Mike Smith, Fleet Director, GE Appliances
Yes. LNG has an excellent safety record—no fatalities in 60+ years of commercial use (NGV Global). Key safety features:
Regulations: DOT, ASME, and PED standards mandate rigorous testing for impact, fire, and pressure.
LNG outperforms diesel in cold climates. While diesel gels below 15°F (-9°C), LNG:
Real-World Example: A Minnesota-based fleet reported 20% better start reliability in winter with LNG vs. diesel.
Typical payback period: 2–3 years. Breakdown:
| Cost Factor | Diesel | LNG |
|---|---|---|
| Truck Upfit Cost | — | $40,000–$70,000 |
| Fuel Cost (Annual) | $60,000 | $36,000 |
| Maintenance (Annual) | $15,000 | $10,000 |
| Emissions Credits (Annual) | $0 | +$5,000 (LCFS, RINs) |
| Net Annual Savings | — | $20,000–$30,000 |
Note: ROI improves with higher mileage, fuel price volatility, and government incentives (e.g., US Alternative Fuel Tax Credit: $0.50/gallon).
Rapidly growing: As of 2026:
Enric’s Solution: We offer turnkey LNG fueling stations (mobile or permanent) with:
On-Site Fueling: For fleets with 50+ trucks, we recommend private stations for maximum cost savings.
Yes. Shijiazhuang Enric’s LNG systems are hydrogen-ready:
Pathway:
Lower than diesel:
| Component | Diesel | LNG |
|---|---|---|
| Oil Changes | Every 25,000 miles | Every 50,000 miles |
| Spark Plugs | N/A | Every 100,000 miles |
| DPF/SCR | Every 150,000 miles | Not Required |
| Fuel System | Every 60,000 miles | Every 120,000 miles |
| Engine Overhaul | 1,000,000 miles | 1,200,000 miles |
Savings: Fleets report 30–40% lower maintenance costs with LNG (Cummins Westport data).
⭐⭐⭐⭐⭐
“We converted 150 trucks to Enric’s LNG systems in 2024. The fuel savings alone paid for the upgrade in 2.5 years. Plus, our drivers love the quieter, smoother ride. The on-site fueling station was up and running in 6 weeks—zero downtime. Highly recommend for any fleet looking to cut costs and emissions.”
⭐⭐⭐⭐⭐
“Compliance with Euro VII was a major concern for us. Enric’s LNG tanks not only met but exceeded all EU standards. The PED and TPED certifications gave us confidence in safety and reliability. Our CO₂ emissions dropped by 22% in the first year, and we’re on track to hit our 2030 decarbonization goals early.”
⭐⭐⭐⭐⭐
“In the Middle East’s extreme heat, we were skeptical about LNG’s performance. But Enric’s vacuum-insulated tanks held up perfectly—zero boil-off issues even at 50°C (122°F). The fuel cost savings in our region (where diesel is heavily subsidized) were still 15% lower with LNG. A game-changer for our bottom line.”
Limited-Time Offer: Book a FREE LNG Fleet Assessment by June 30, 2026 and receive:
Risk-Free Guarantee: If you’re not satisfied with the performance of our LNG systems, we’ll refund 100% of your investment within the first year.
📞 Get Your Free Quote Now 📞 Call +86-311-81663811
Regional Contacts:
Europe: Bowen Di | +86 15614368118 | dibowen@enricgroup.com
North America: Jeremy Wu | +86-15303302613 | wuzuoliang@enricgroup.com
Global: gasequipment@enricgroup.com | www.enricgroupsjz.com
Address: No. 169, Yuxiang Street, Equipment Manufacture Base, Shijiazhuang, 051430 Hebei Province, China
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Senior LNG Transport Solutions Engineer at Shijiazhuang Enric Gas Equipment Co., Ltd.
With 15 years of experience in cryogenic storage and transport systems, Michael specializes in LNG and hydrogen fuel solutions for heavy-duty vehicles. He holds a Ph.D. in Mechanical Engineering from Tsinghua University and has led 50+ LNG fleet conversion projects across North America, Europe, and Asia. His expertise in ASME/DOT/PED compliance ensures that all Enric solutions meet the highest global safety standards.
“The future of long-haul transport is clean, efficient, and cost-effective—and LNG is the bridge to get us there.”
Data Sources: IEA Gas Market Report 2026, MIT Future of Natural Gas Study, AGF Renewable Natural Gas Assessment 2025, Cummins Westport Technical Bulletins.
-Hengkai Natural Gas Liquefaction Project
-Changming Phase II Natural Gas Liquefaction Project
-Hwange Natural Gas Liquefaction Project
-Tianhao Coalbed Methane Liquefaction Project
-Tianyun Coalbed Methane Liquefaction Project
-Shuntai Coalbed Methane Liquefaction Project
-60.000 cubic meters/day
-60.000 cubic meters/day
-60.000 m3/day*2 sets
-200.000 cubic meters/day
Trusted by Global Leaders in Transport & Logistics
“Shijiazhuang Enric’s LNG tanks have been flawless. In 3 years of operation across our EU fleet, we’ve had zero safety incidents and 100% compliance with Euro VI standards.”
— Klaus Weber, Head of Sustainability, DHL Global Forwarding
“The lightweight design of Enric’s cryogenic tanks allowed us to maintain payload capacity while switching from diesel to LNG. Our fuel efficiency improved by 18%.”
— Raj Patel, Operations Director, Maersk Transport (North America)
“With Enric’s OEM support, we custom-designed LNG systems for our refrigerated trucks. The dual-fuel capability gives us flexibility as hydrogen becomes viable.”
— Sophie Laurent, Technical Director, Carrefour Logistics
Certifications & Compliance