While 40-year-old engines might not be expected to be the most reliable today, a certain diesel engine has found itself with an incredible reputation.

This cast-iron brute defies mileage limits, propelling trucks to unimaginable distances.

If you watched the MythBusters drive an old Mercedes diesel fueled with used cooking oil, you probably wondered why we don't do that all the time with all diesels. After all, Cummins B-series are the ...

Cummins has kept its headquarters in Indiana since the company's founding over a century ago, where it's brought in more than $34 billion in revenue. Much of those profits came from the sale of diesel ...

The 5.9-liter Cummins is diesel royalty. It's the reason thousands of Ram trucks from the late '90s and early 2000s are still climbing hills, pulling trailers, and terrifying Priuses in the fast lane.

Diesel engines are more durable by their very nature, and these ones are practically unkillable.

Fifty years ago, Chautauqua County was facing a big problem. Art Metal Corporation, the largest metal furniture manufacturer in Jamestown, had built a new 1 million sq. ft. factory in Busti–but then ...