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For Consumers

Whether you drive a diesel car or operate a big rig, you can rely on the diesel additives from Power Service for year-round engine performance improvement, trouble-free winter operation and proper fuel tank hygiene. We are the diesel experts and any size diesel engine will run better with Power Service.

All Consumers

For Industries

From some of the largest fleets in North America to large construction and mining operations, commercial industries rely on Power Service diesel additives to provide year-round diesel engine performance improvement, trouble-free winter operability and proper fuel tank hygiene.

For Industries

Learning Center

Find articles, videos, and helpful tips for maintaining your diesel engine. You'll also find product information, useful resources, and advice from our expert team.

Visit The Learning Center

Ruth Swain

Ruth Swain began her career with Power Service in 1977, which has enabled her to experience all facets of the company and to grow professionally as the company has grown. Ruth started as a receptionist and was later promoted to Office Manager, then Operations Manager. In 1990, she was promoted to Vice President of Operations and was elected to the Power Service Board of Directors in 1994. In 2004, Ruth was named Chief Operations Officer, where she manages day-to-day business operations including management of administrative employees, coordinating production requirements with warehouse manager and bulk chemical plant manager, and procurement of raw materials. Ruth also manages the company’s financial requirements, property and casualty insurance requirements, and serves as trustee of the company’s 401k plan.

After 37 years with Power Service, Ruth strives to set high standards and do the best work possible. She loves the challenge of utilizing the strengths of Power Service’s employees and technology to advance the company in the diesel additive industry. Over the last four years Ruth has also served on the Kramer Family Foundation Board of Directors.

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