Houska Tire & Oil is your one-stop shop for diesel emissions testing in Fort Collins!

Our dual roller dynameter can test your diesel emissions on most passenger cars, SUVs, road semis, trucks, busses, motorhomes and all-wheel vehicles. An appointment for your diesel emissions testing at our Fort Collins facility is highly recommended. Tests are run every half hour Monday through Friday from 8 am to 4:30 pm and from 8 am to 3:30 pm on Saturdays.

Call today to schedule your appointment!


The State of Colorado now provides all gas emission testing.

The gas vehicle state emissions testing facility is located on the Southeast corner of I-25 and Mulberry. Hours of operation for the testing center are Monday-Friday from 8 a.m.-5:30 p.m. and Saturday from 8 a.m.-1 p.m. The centers are closed on Sundays and all state holidays. Check out their wait times and locations at www.aircarecolorado.com.

Houska is here to help repair your vehicle should it fail its emissions test. Call us to schedule an appointment. Please remember to bring your failed emissions sheets with you.

Tire & Oil

Need new tires? Or maybe an oil change? Houska is your one stop shop for tires, oil changes, and the rest of your vehicles’ maintenance needs.


901 Riverside Avenue, Fort Collins CO 80524



Mon - Fri: 7:00 AM - 6:00 PM,
Sat: 8:00 AM - 4:00 PM