DTS Diesel Testing Systems Emissions is your reliable go-to State of Colorado Certified Diesel Emissions Testing Facility in Evergreen CO. We're local family owned. Call us to make an appointment for the fastest service when you arrive. We provide emissions testing for only diesels, no gas vehicles. Count on us for your light, medium or heavy duty as long as it's front wheel drive or rear wheel drive. Both cars and trucks are welcome. We can also provide VIN Verifications. We offer competitive pricing and quick service with our new state-of-the-art equipment. Our customers come from Denver, Lakewood, Wheat Ridge, Golden, Arvada, Littleton, Morrison, Conifer, Kittredge, and beyond. We have the best experts available, call us to schedule.