Meet the cenexpert®

Chad Christiansen

Chad Christiansen

Product Quality and Additives Manager

Chad has a decade of experience in the cooperative energy business with a background in agriculture and natural resource management. He started his career in sales with CHS and has experience in the cooperative system.


Chad is technical expert and product specialist for Cenex® Premium Diesel, TOP TIER™ gasoline and E15 fuels. He holds a Bachelor of Science degree from Kansas State University and has worked with CHS since 2009.


As an avid outdoorsman, Chad often finds himself bow hunting on his farm in Kansas. If he’s not at the farm, you’ll find him spending time with his family. His favorite thing to do is coach his 9-year-old’s and 6-year-old’s sports teams.

Warning Signs Your Diesel Is Water-Contaminated

According to our diesel expert, water contamination comes with common warning signs. Here’s his advice for spotting this issue before it grows.

Let Premium Diesel Help Provide Worry-Free Fun

Are you using a typical #2 diesel fuel in your personal truck to haul a camper or boat? If so, you’re not getting the benefits that come with using a premium diesel.

What’s That Leak Coming Out of My Car?

Our expert explains what a leaking fluid’s color can tell you about your engine troubles.

What Does Black Exhaust Mean?

Here’s how to determine the culprit for the black smoke coming out of your car’s tailpipe.

Should Diesel Engines Be Warmed Up?

Winter is the time of year to question if you should let you diesel engine warm up or not. Our fuels expert answers this and more.

Is It Time for a Diesel Engine Compression Test?

Is your engine underperforming? Our expert shares how a diesel engine compression test could provide the diagnosis.

What Is a Good Cetane Number — and Why Is It Important?

Can a fuel’s cetane number impact your equipment’s performance? We asked an expert — here’s his verdict.

Should You Use a Diesel Fuel Stabilizer?

What should you know before choosing a diesel fuel stabilizer? We asked our expert — here’s his recommendation.