Testing & Specifications

Eco Flaps are engineered to improve aerodynamic performance, reduce road spray, and withstand demanding fleet operating conditions.

Our products have undergone extensive third-party testing focused on fuel economy, safety, and real-world fleet performance. Testing and verification efforts include evaluations conducted by independent organizations, proving grounds, and industry-recognized programs.

From fuel savings to spray reduction and durability, Eco Flaps are backed by measurable results designed to help fleets improve efficiency and performance on the road.

Independently Tested

Fuel Economy
Safety
Real-World Fleet Performance

Independent Testing

Proven Results From Third-Party Testing

Over the course of several years, Eco Flaps has invested in independent testing and product verification across multiple operating conditions and trailer configurations.

Goodyear Proving Ground

Products Tested: Eco Flaps
Location: San Angelo, Texas

Result

1.1% fuel savings*

*Results achieved on tractor pulling double trailers.

Automotive Research Center

Products Tested: Eco Flaps
Location: Indianapolis, Indiana

Results

1.26% fuel savings with unskirted trailer

0.96% fuel savings with skirted trailer

Transportation Research Center

Products Tested: Eco Flaps
Location: East Liberty, Ohio

Results

3.3% fuel savings with unskirted trailer

2.3% fuel savings with skirted trailer

PIT Group

Products Tested: Eco Flaps + Eco Caps
Location: Ontario, Canada

Result

1.20% fuel savings

MVT Solutions Certified

Products Tested: Eco Flaps + Eco Caps
Location: Pecos, Texas

Result

Saved 1.27 gallons per 1,000 miles

Third-Party Test Organization

Products Tested: Eco Flaps
Location: San Antonio, Texas

Result

1.25% fuel savings*

*Results achieved using two Eco Flaps on the trailer per SmartWay testing protocol.

MVTS Certified Test Results

A more recent MVT Solutions Certified evaluation measured the fuel-saving performance of Eco Flaps and Eco Caps on 28-foot double trailers equipped with skirts.

Eco Flaps

2.10%

fuel savings

2.40 gallons saved per 1,000 miles
0.19 MPG improvement

Eco Caps

1.85%

fuel savings

2.07 gallons saved per 1,000 miles
0.17 MPG improvement

Eco Flaps + Eco Caps

3.90%

fuel savings

4.45 gallons saved per 1,000 miles
0.35 MPG improvement

EPA SmartWay Verification

Eco Flaps are the only aerodynamic splash guards verified through the EPA SmartWay program.

According to the EPA SmartWay verification documentation, Eco Flaps were verified in the 1% fuel savings category as a splash guard device using Coastdown testing methodology.

SmartWay verification helps fleets identify technologies that may contribute to improved fuel efficiency and reduced emissions.

Verification Highlights

EPA SmartWay verified
Aerodynamic splash guard technology
Coastdown testing methodology
Supports fleet efficiency initiatives

Product Specifications

Construction & Materials

Material

High-impact nylon polymer construction engineered for demanding fleet environments.

Durability

Designed to withstand challenging road and weather conditions while resisting cracking and breakage.

Temperature Resistance

Impact-tested for operation in temperatures ranging from -200°F to +200°F.

Sizes & Fitment

Eco Flaps are available in:

18-inch widths
24-inch widths
Multiple length configurations for tractor and trailer applications

Eco Flaps are designed to fit existing mounting systems and bracket styles without requiring additional hardware.

Customization Options

Built to match fleet branding and OEM requirements.

Custom fleet logos
Custom graphics
Multiple color options
OEM and fleet applications

Also Available

Eco Caps are designed to fit 22.5" wheels and can be installed with minimal hardware. Installation takes seconds, and removal is even quicker. Eco Caps have also undergone third-party testing.