What makes a diesel engine different to a regular gas engine, and is one better than the other?

Every car engine has quite a few details, ranging from cylinder count to compression ratios. How does changing the compression ratio affect the engine?

Diesel engines are some of the simplest combustion concepts in use today, with a design that has not changed much in half a century. But what has changed is the complexity of the systems that surround ...

Cold fusion, despite probably being impossible, is a good idea. Take a process known to create a meaningful amount of power and remove the harmful byproducts (like explosions), and you've got a winner ...

The one-cylinder test engine in the basement of a University of Wisconsin-Madison lab is connected to a life-support system of pipes, tubes, ducts and cables. You might think that the engine resembles ...

On August 9, 1898, Rudolf Diesel was issued a patent for his diesel internal combustion engine, a competitor to the gasoline engine at the time (see figure below from patent). Armed with an education ...