Emissions defeat devices are a broad category of modifications that are disallowed by the Clean Air Act, and are particularly ...

Starting January 1, Washington may halt sales of new motorhomes and large trucks powered by diesel or gasoline.

A father and son duo allegedly imported the equipment from Canada and made more than $74 million in revenue over six years.

A new climate regulation from California is set to disrupt the RV industry, leading to the halt of diesel motorhome sales in ...