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A green radiator? This Denso unit features a tank made from 40% plant-based resin material.

Denso Goes Green

A radiator may be the last place you’d expect to find environmental innovation, but Denso has developed a 40% plant-derived resin radiator tank that releases fewer CO2 emissions during its lifecycle, while providing improved resistance to calcium chloride.

A radiator may be the last place you’d expect to find environmental innovation, but Denso has developed a 40% plant-derived resin radiator tank that releases fewer CO2 emissions during its lifecycle, while providing improved resistance to calcium chloride. The tank resin—jointly developed with DuPont Kabushiki Kaisha—is produced by a chemical reaction between two organic compounds derived from the castor oil tree and petroleum. An additive such as glass fiber is added to produce the resin. “We have found that OEMs have a little bit more respect for the fact that suppliers are looking at unique ways to improve their environmental credentials, looking at the bigger picture, if you will,” says Doug Patton, senior vice president of engineering at Denso International America, adding Denso is studying the possibility of using the plant-based material in HVAC system applications in the future. The resin radiator is slated to hit the market later this year.