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Old World Industries LLC launched its new heavy-duty coolant, Hybrid Blue, the company announced.

Marketed under the Peak Commercial & Industrial Fleet Charge brand, Hybrid Blue is a hybrid organic acid technology (HOAT) extended service interval (ESI) coolant and antifreeze with a phosphate-borate dual buffer system and low silicate level.

This technology has been formulated for use in all heavy-duty engines, regardless of fuel type, as well as in automobile and light-duty applications. Blue in color, the fully formulated competitive product simplifies coolant maintenance while extending service intervals up to 150,000 miles (260,000 km) or 4,000 hours of operation. It is designed to work with liquid and slow-release supplemental coolant additives (SCA) available in the market today.

Commercialized in bulk, drums and totes in both 50/50 prediluted and concentrate, the HOAT formula fits between current products Fleet Charge and Final Charge coolants.  

Old World Industries LLC, headquartered in Northbrook, Illinois., was founded more than 40 years ago. Today, Old World Industries is a supplier of automotive and heavy-duty coolants and BlueDEF. The company also has significant business in LATAM, Asia and Europe.