KALAMAZOO, Mich. — Roadranger Marketing has released results of recent fuel economy tests revealing fuel savings of more than 1% with use of the newest generation of Roadranger Synthetic Lubricants for transmissions and axles.

The tests, which compared Roadranger Synthetic Lubricants to traditional synthetic blends and semi-synthetic blends, included those that were performed with two major US fleets, and a third that was conducted at the Southwest Research Institute in San Antonio, Texas.

This is a significant finding when you take into account that every 1% improvement amounts to about $500 in annual fuel savings per truck, said Rick Muth, lubricants manager for Roadranger Marketing. The previous Roadranger lubricants were already producing fuel saving benefits of two to four percent over mineral-based lubricants, so the additional savings is a further bonus.

With the fleet tests, both linehaul carriers realized an average fuel economy savings of 1.029%. The Southwest Research test generated a fuel savings of 1.112%. Each test adhered to established TMC and SAE protocols, one the SAE Type III 1526 test, the second the TMC/SAE J1321 test, and the third a modified J1376 test.

Roadranger-approved synthetics are required in Eatons Fuller transmissions and Danas Spicer axles in order to qualify for extended warranty coverage and up to 500,000-mile initial drain approvals.

Manufactured with synthetic base stock and high-performance additives, Roadranger Synthetic Lubricants are marketed worldwide and are available for all makes and models of medium- and heavy-duty trucks sold in North America.