Automobile engines have undergone tons of changes over the years, primarily to make them more efficient. For the most part though, engine changes result from a string of iterative improvements on ...

Port fuel injection and direct injection are similar but distinct systems, so why do some engine designs include both?

Automakers have long touted the benefits of fuel injection, claiming increased efficiency and power. But as more cars have the system installed (around 73% in 2023), more and more consumers are ...

Modern engines are cleaner and more efficient than the ones you grew up with, yet many drivers are discovering a new headache ...