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Premium Fuel Additives

Amalgamated® is a custom blender of cold weather and performance diesel fuel additives and has been in business since 1979. We are headquartered in Fort Wayne, Indiana and supply diesel fuel additives throughout the world. Our company specializes in diagnosing fuel problems and offers diesel fuel additive packages that will improve the performance of almost any diesel fuel.  Whether you use a Truck, Tractor, Ship or even Home Heating Oil, we will be able to improve the performance of your diesel equipment with the right diesel fuel additive package. 

We custom manufacture our diesel fuel additive products using computer controlled blending equipment which precisely measures and monitors batch quality. This process allows Amalgamated® to guarantee formulation of complex Premium Diesel Fuel Additives and Biodiesel Fuel Additives to within +/- 0.1% on all batch components. 

Every Diesel Additive Package We Make For You Is Guaranteed To Be Just What You Requested!

Amalgamated's® unique, custom formulated diesel fuel cold weather additives and performance additives are targeted specifically to the needs and performance desires of today's progressive distillate (diesel fuels, gas oils, fuel oils, etc.) refinery producers, pipeline transporters, wholesale distributors, marketers, and fuel users. 

Our TDR line of performance additives have become a standard for Premium Diesel Fuel Additives.


TDR-FL  was especially formulated and developed to improve the reliability and performance of all diesel fuels.
with the added proprietary winterization chemistry that makes TDR-WDA a truly “all in one” premium additive.
TDR-FL and TDR-WDA have been formulated for today’s Tier 3 and Tier 4 engines equipped with High Pressure Common Rail (HPCR) diesel fuel injectors.  Amalgamated's® detergents have been tested and certified to eliminate both conventional diesel injector nozzle deposits as well as internal diesel injector deposits (IDID) in both older and newer engines.
TDR-WDA for winter contains the same performance enhancing properties as TDR-FL