A Colorado truck repair shop that disabled emissions control equipment on hundreds of heavy duty trucks’ diesel engines was recently penalized and its owner sentenced to a year behind bars.
In April 2022, federal prosecutors accused Elite Diesel Service Inc., formerly located in Windsor, of conspiring with a handful of other shops in the country to “tune” the on-board computer diagnostics of at least 344 commercial haulers, including semi tractors.
Some fleet owners sent their trucks directly to Windsor for the modifications to their electronic control modules (ECMs), according to case documents. Sometimes, the other out-of-state shops removed ECMs and shipped them to Elite for the tuning…