In NASCAR’s words, this collaboration helped build “the largest recycling program in sports,” with enough race-used oil ...

Co-CEO Mike Battles said other used oil collectors are following Clean Harbors’ lead on a charge-for-oil model, keeping ...

Examiners repeatedly noted the significant risk of water contamination at the East Texas site. But the Railroad Commission green-lit the facility.

John Bisset shares another use for 3D printers, how to deal with dried-out grease and some lines useful to explain ...