Small internal combustion engines usually keep things simple, relying on carburetors to handle metering the correct amount of fuel and air. Recently, [Carlos Takeshita] decided his small engine could ...

Port fuel injection has some big advantages, but automakers increasingly are using gasoline direct injection instead. The ...

If you think direct-injection diesel engines made their debut in the 1980's, think again. The first diesel without extra ...

Harley-Davidson is a brand deeply tied to tradition, from its distinctive rumble to hands-on garage tuning. Carbureted engines were a part of that rugged image for decades. Owners loved tinkering with ...

Diesel engine emissions, notably nitrogen oxides (NOx) and particulate matter, remain a critical environmental and regulatory challenge worldwide. Advances in fuel injection strategies have become ...