Sales for oil change and lubrication shops in the United States reached an estimated $6.6 billion in 2019, up 5% from $6.3 billion the previous year, according to a joint report by the Auto Care Association and the Automotive Aftermarket Suppliers Association.

The U.S. Air Force Civil Engineer Center’s Environmental Quality Technical Support Branch is leading a pilot study aimed at saving money and protecting the environment by changing its oil change procedures for engines used to power key systems on Air Force bases.

Canadian wax maker The International Group Inc. has acquired Picayune, Mississippi-based Rheogistics LLC, which supplies lubricants and mechanical stabilizers to the rigid polyvinyl chloride industry. The transaction was completed on June 12, according to a press release by investment bank and financial adviser Grace Matthews. Financial terms were not disclosed.