Old World Industries has introduced Hybrid Blue, a new heavy-duty coolant. Marketed under the Peak Commercial & Industrial Fleet Charge brand, Hybrid Blue is a Hybrid Organic Acid Technology (HOAT) Extended Service Interval (ESI) Coolant/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, this new 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, the company said, adding that it is designed to work with liquid and slow-release supplemental coolant additives (SCA) available in the market today.