Automakers Do More With Less: How Diesel Engines Work
Although today's diesel engines are extremely advanced, diesels are not a new technology. In 1892, Rudolf Diesel obtained a German patent for diesel engines. At the time, gasoline engines were very inefficient and Diesel intended to produce a more economical combustion engine. Today's advanced diesels are among the most efficient combustion engines.
The main differences between gasoline and diesel engines are: