TLT TRIBOL OGY & L UBRICA TION TECHNOL OGY SYSTEMS, STRATEGIES & RESEARCH FOR LUBRICATION PROFESSIONALS AN PUBLICATION | FEBRUARY 2015 Tiny Bubbles How to keep entrained air from shortening the life of your lubricant. Conserving Resources Q&A with Evonik’s Don Smolenski Benefits of Biobased Lubes Readers speak out Webinar Lubricating wire ropes & chains Fields of Gold The tribology of manure spreaders 11 YEARS of publishing excellence Digital TLT: Sponsored this month by Afton Chemical Corp. at www.stle.org.