Drivers, particularly in rural areas, might have heard they can save money with off-road diesel, but what is it, and why can't you use it on the road?

WASHINGTON — Pollution should be sharply reduced from off-road vehicles and equipment ranging from forklifts to farm tractors to tugboats under regulations announced Monday by the Bush administration.

Many of us who drive a diesel truck use it for work, but what about when it comes time to play? Going off-road exposes your engine to sustained mechanical and thermal stress that factory components ...

A study by state air pollution control officials concludes that more than 8,500 premature deaths a year are caused by extraordinarily high levels of air pollution from off-road diesel-driven equipment ...

A lot of drivers spend the majority of their time behind the wheel on smooth, comfortable, familiar tarmac — if they're lucky enough that the roads they commonly travel on are well-maintained, anyway.

MOLINE, Illinois — The Environmental Protection Agency (EPA) has responded to a request from John Deere after the Moline-based company asked them to clarify customers' rights to repair their own ...