In a world of ever-changing fuel sources - hybrids, electric vehicles, and so on - is there even an answer to what type of fuel is the best? There are mountains of discourse online about how efficient ...

Folks have been experimenting with ethanol in modern combustion engines even when they weren't so modern. Nicolaus Otto, the inventor of the traditional four-cycle engine, used it to power one of his ...

When Clessie Cummins founded the Columbus, Indiana-based Cummins Engine Company in 1919, it was built on a spirit of innovation that continues to thrive after more than 100 years. That innovative ...

Gasoline and diesel engines are very different. The former rely on spark ignition while the latter use compression ignition. Diesel engines typically run at much higher compression ratios than ...

While the list of car brands that still use diesel engines in 2025 is increasingly small, diesel still dominates when it comes to heavy-duty trucks. There are a number of reasons why diesels are the ...

Ever wonder about those yellow gas pumps marked E85 that dispense fuel that's typically slightly less expensive than the station's other options? E85 is an ethanol-heavy blend of gasoline that ...