Three new reactors for ExxonMobils new hydrocracker arrived at its Rotterdam, Netherlands, refinery site last week. The hydrocracker represents an investment of more than $1 billion, and the company plans to produce API Group II base stocks in Europe for the first time, starting in 2018. Pilot Chemical Co. named Derek Houck chief financial officer effective Jan. 3. Current CFO David Waizmann will assume the title of business director, overseeing the companys marketing, new product development, sales, analysis and Pilot and Mason product lines.