Diesel engines come in small packages for many different applications. Here are some of the smallest diesel engines you can ...

It's not hard to find very small mass-produced gasoline engines, but diesel is another story. Diesel engines are more expensive to manufacture, so a small-capacity diesel in a cheap car can push up ...

The idea of visiting a hardware store with the intent to purchase an entire pre-built engine feels a little strange on paper, but as it happens, Harbor Freight actually has quite a few small engines ...

It’s natural to wonder—healthy, even. Still, it can be scary to challenge what you know. Rarely in life can we do that on a small, inconsequential scale… but if you have a cheap 3-horsepower diesel ...

Water injection is a tried-and-true method for cleaning up the combustion process in a diesel engine. It reduces both combustion temperatures and the resulting particular emissions. But what if you ...