Old World Industries has launched the Hybrid Blue heavy duty coolant, marketed under the Peak Commercial & Industrial Fleet Charge brand.

Hybrid Blue is hybrid organic acid technology extended service interval coolant/antifreeze with a phosphate-borate dual buffer system and low silicate level.

Hybrid Blue 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, Hybrid Blue is designed to simplify coolant maintenance while extending service intervals up to 150,000 miles or 4,000 hours of operation.  It is designed to work with liquid and slow-release supplemental coolant additives.