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 ...

Direct-injection engines were introduced with a promise that sounded ideal: more power, better fuel efficiency, and cleaner emissions, all from a more precise way of delivering fuel. On paper, the ...

What is an oil catch can anyway? Oil catch cans keep direct-injection engines from choking on their own blow-by — here's the quick-and-dirty on why you may need one. Think of an oil catch can as a ...