Add Yahoo as a preferred source to see more of our stories on Google. A diesel repair shop in Oregon and its owner are facing heavy penalties for illegally tampering with pollution monitoring devices, ...

DENVER (CBS4) -- Two out-of-state diesel repair facilities were sentenced this month, and a third will be next month, for conspiring with a Colorado shop to illegally alter the emission controls on ...

Diesel repair companies are essential to the automotive industry, providing diagnostic and repair services for the diesel engine systems that power cars, trucks, buses and heavy machinery. Many ...