From DOW Chemical’s Web site on Enlist ...

Leading-edge technology

The Enlist™ Weed Control System represents the latest thinking in the science of weed control. The system will feature Enlist Duo™ herbicide that's optimized with Colex-D™ Technology.

Designed with growers and applicators in mind, herbicides featuring Colex-D Technology will offer ultra-low volatility, reduced drift, decreased odor and improved handling.

The research and development behind Colex-D Technology has involved state-of-the-art formulation technology, a new 2,4-D product.