Diesel aircraft engines promise lower fuel burn and cheaper operating costs at a time when every gallon and every kilogram ...

Turbocharging has mostly not lived up to its billing of being the savior of internal-combustion engine technology. Earlier this decade, facing increasing fuel economy requirements, automakers rushed ...

When it comes to car and truck engines, not much has changed since Nikolaus Otto invented the modern internal combustion engine in 1876. But the internal combustion engine could, at least ...

If you are someone who was looking to purchase a full-size pickup truck, you may be slightly dismayed at some of the fuel efficiency numbers in the available options. For example, take the 2025 RAM ...

Diesel engines are sometimes assumed to have poor fuel efficiency, possibly due to their association with heavy equipment, big ships, long-haul trucks, and other gas-guzzling machinery. But contrary ...