Inky Fuel

Crayola on Thursday announced its COLORCYCLE program, which encourages schools nationwide to send used markers to be converted into clean fuel. (Dan Cappellazzo/AP Images for Crayola)
Crayola on Thursday announced its COLORCYCLE program, which encourages schools nationwide to send used markers to be converted into clean fuel. (Dan Cappellazzo/AP Images for Crayola)

To Read The Full Story

Are you already a subscriber?
Click to log in!